help ! which of the following are the roots of the given quadratic equation ?

[tex]2 {x}^{2} + 18x + 36 = 0[/tex]
a. 6

b. -6

c. 3

d. -3..​

Answers

Answer 1

Answer:

The roots are {-6, -3}

Step-by-step explanation:

We are given four possible roots.  To determine whether or not a particular possible root is actually a root, we use synthetic division.  If the remainder is zero, we may conclude that this is actually a root.

Determine whether or not -3 is a root.  Setting up synthetic division, we get

-3  /  2    18     36

              -6    -36

     ---------------------

      2       12     0

Since the remainder is zero, -3 is a root.

Try -6:  Is this a root of 2x + 12?  Setting up synthetic division, we get

-6    /    2     12

                  -12

      ----------------

          2        0

The remainder is again zero, so -6 is also a root of the original equation.

The roots are {-6, -3}

Answer 2

[tex]▪▪▪▪▪▪▪▪▪▪▪▪▪  {\huge\mathfrak{Answer}}▪▪▪▪▪▪▪▪▪▪▪▪▪▪[/tex]

The Correct choices are ~

b and d

[tex] \large \boxed{ \mathfrak{Step\:\: By\:\:Step\:\:Explanation}}[/tex]

Let's solve ~

[tex]2 {x}^{2} + 18 {x}^{} + 36 = 0[/tex]

[tex]2 {x}^{2} + 12x + 6x + 36 = 0[/tex]

[tex]2x(x + 6) + 6(x + 6) = 0[/tex]

[tex](2x + 6)(x + 6) = 0[/tex]

There's two cases here,

Case # 1 - when 2x + 6 = 0

[tex]2x + 6 = 0[/tex]

[tex]2x = - 6[/tex]

[tex]x = - 6 \div 2[/tex]

[tex]x = - 3[/tex]

Case # 2 - when x + 6 = 0

[tex]x + 6 = 0[/tex]

[tex]x = - 6[/tex]

Hence, the roots are -3 and -6 ~


Related Questions

y varies inversely with x and x= 3 when y =10. What is the value of y when x=6?
k =
y=

Answers

Answer: Y=20

Step-by-step explanation:

X is doubled from 3 to 6 meaning that y is also doubled.

Double 10 is 20 so y=20.

Which ratio is equivalent to 5:9?
O 10:36
O 10:27
O 20:27
O 20:36

Answers

Answer: 20:36. Explanation: If you multiply 5 and 9 by 4, you will get 20 and 36!
20:36 because 5•4=20 and 9•4=36

How many 3/4s are in 2? Draw a tape diagram

Answers

Answer:

8/3, or 2 if you want a whole number

Step-by-step explanation:

Well, the simple answer is 2/(3/4). This is nothing but 2*4/3, which is just 8/3. (I used the theorem that states that dividing is the same as multiplying by the reciprocal)

https://www.coursehero.com/tutors-problems/Math-Other/20050339-Consider-the-problemHow-many-34s-are-in-2-1Describe-a-multiplicati/#best-answer

A fundamental basis of regression analysis is the assumption of a. the lack of a relationship between independent variables. b. a curvilinear relationship between two weakly associated dependent variables. c. a uniform normal distribution between dependent variables. d. a straight-line relationship between the independent and dependent variables. e. the existence of two independent variables for every dependent variable.

Answers

The correct answer is E. A fundamental basis of regression analysis is the assumption of the existence of two independent variables for every dependent variable.

Regression analysis is a statistical method that examines the dependence of a response variable on selected explanatory variables.

When studying the dependence between quantities and trying to describe a given functional dependence on a given formula, it is assumed that the dependence consists of a precisely determinable component and a random component. The relationship with this assumption is called the regression model.

Learn more about regression analysis in https://brainly.com/question/1305938

Geri jogs every fourth day. Sarah jogs along the same path every fifth day. Both girls jog on the path on July 7. What is the next date they will both jog on the path?

Answers

Answer:

The next day they will both run on the path is July 27th.

We can find this by making columns writing every date and seeing when they intersect.

4                    5

8                   10

12                  15

16                 20

20

We can then add this to the current date to find the date they will next run together.

Step-by-step explanation:

hope this helps. . . <3

good luck!      UwU

How many solutions does 8 + x/6 = x/6 - 4 + 5x/12 have?
A. Two solutions.
B. No solutions
C. Infinitely many solutions
D.One solution​

Answers

Answer:

c. infinitely many solutions

Can anyone solve this from 1 to 3?​

Answers

Answer:

you know, you can't post more than one question

Step-by-step explanation:

Mandy has 1 drink and Karl has 2 Mandy takes all of Karl's drinks

Answers

Answer:

What is this question asking? If you give me a question to answer I can help you.

Step-by-step explanation:

How to divide long division with decimals.

Answers

Answer:

If the number your dividing has a decimal, move the decimal point all the way to the right, counting how many spaces you have moved it. Then, move the decimal point in the number you're dividing the same number of places to the right.

Step-by-step explanation:

Can someone answer this with a short clip of singing a song for 100 points and Branielist. PLLLSSSSS ACTUALLY DO ITTTT

Answers

Answer:

ok

Step-by-step explanation:

hold on

a square table has am area of 15476cm^2 find the perimeter of the square​

Answers

Answer:

497.6 cm to 1 decimal place.

Step-by-step explanation:

→ Square root the area to find the length

√15476 = 124.4025723

→ Multiply the answer by 4 to get the perimeter

124.4025723 × 4 = 497.6102893

Answer:

497.6 cm

Step-by-step explanation:

Perimeter = 4 x a

Since area is given we must square root a

P = 4 x square root ([tex]\sqrt{15476}[/tex])

P = 4 x (124.40)

P = 497.6 cm

WILL GIVE BRAINLISET
Find the equation of the straight line parallel to the y-axis and pass through the point (-2, 3). _____

Answers

X + 4 = 0

Explanation

The equation of a line parallel to y axis is

x = k where k is constant. …..(1)

It is given that the line parallel to y axis passes through the point (-4,-5).

Therefore (-4,-5) will satisfy equation (1)

Hence , -4 = k

Equation (1) becomes

x = -4

=> x + 4 = 0

Hope it helps.

there are 30 students in Mr. Robert's classroom. 45% of the students ride the bus how many students ride the buss?

Answers

Answer:

About 13 students

Step-by-step explanation:

30*45%=13.5

13.5<14

A cake measures 18 centimeters in diameter. Find how much room there is to spread frosting on the top of the cake.Complete the answer sentence. You may consider writing your answer to the hundredths place and using the calculator to help you solve.

Answers

A cake is a circle using the circumference of a circle formula, 2pir
Diameter=18
As radius is half of the diameter radius=9
2*9*pi
18pi= 56.5(1dp)


solve the equation


x/-14 = 13

x = -52

x = 17

x = 52

x = -13/4

Answers

x/-14 = 13
x=13+14
x=27

what is the sum of the polynomials
(8x^2-9y^2-4x) + (x^2-3y^2-7x)

Answers

9x^2-12y^2-11x is the answer!

Hope this helps.

Step by step:

Just ask! I will add it here :)

Answer:

[tex]9x^{2} - 12y^{2} - 11x[/tex]

Step-by-step explanation:

[tex](8x^{2} - 9y^{2} - 4x) + (x^{2} - 3y^{2} -7x)\\(8x^{2} + x^{2} ) + (-9y^{2} - 3y^{2} ) + (-4x - 7x)\\9x^{2} - 12y^{2} - 11x[/tex]

In the first step, I rearranged the equation and put like terms together.

Then I just combined the like terms.

I hope this helps!

Find the perimeter. Simplify your answer.

Answers

Answer:

4p+23

Step-by-step explanation:

I'm guessing you add all of the sides to get the perimeter, so 4p+5+10+8 is 4p+23.

Using the equation R(x) = x - 2,000 What would be the y value when x is 70,000?

72,000
68,000
74,000
50,000

Answers

Answer:

68k

Step-by-step explanation:

you replace x with 70,000 and subtract 2k then you have your answer :)

Dont forget to say thanks if this helped :)

a 84m2 b 111m2 c 125m2 d 150m2

Answers

Answer:

B

Step-by-step explanation:

:)

Answer:the answer is 84m2

Step-by-step explanation:

How to find zeros of cubic polynomial.

Answers

Step-by-step explanation:

1. First divide by the leading term, making the polynomial monic.

2. Then, given x

2 + a1x + a0, substitute x = y − a1  to obtain an equation without the linear term.

(This is the “depressed” equation.)

3. Solve then for y as a square root. (Remember to use both signs of the square root.)

4. Once this is done, recover x using the fact that x = y − a1

Mindy can a drive a total of 375 miles on a full tank of gas, which is 25 gallons. Based on this information, what is the constant of proportionality?

25

15

375

10

Answers

Answer:

15

Step-by-step explanation:

[tex]\frac{25}{375} = \frac{1}{x}[/tex]

Cross multiply to get 25x = 375

Divide each side by 25 to get x = 15

40 pts & Brainliest to first Correct. PLZ HELP ASAP

Answers

Answer: [tex]16x^4y^2a^6[/tex]

Step-by-step explanation:

just apply to the power of 2 to every term

-4 times -4 is 16

x^2 to power of 2 is 2 times 2 so x^4

y^2 is y^2

a^3 to power of 2 is 3 x 2 = 6 so a^6

16x^4y^2a^6

Answer:

16x^4y^2a^6

Step-by-step explanation:

Do this step by step

16x^4y^2a^6

Please give brainliest!

if anyone has mine.craft education edition, i just created a world and here the code

rail, llama, llama, cookie

:)))

Answers

Uh so like are llamas green

Given the triangle below and the equation: sin A = 3/5.
Determine the value of b.

Answers

Using the trigonometry ratio and Pythagorean Theorem, the value of b in the triangle is: 4.

Recall:

The trigonometry ratio is used in solving a right triangle, having, hypotenuse, adjacent, and the opposite side, given a reference angle.Trigonometry ratios are: SOH CAH TOAPythagorean Theorem is given as: [tex]c^2 = a^2 + b^2[/tex], where c is the longest side (hypotenuse).

Given the trigonometry ratio of sin A = 3/5

Recall that, sin ∅ = opp/hyp (SOH)

Thus, this means that, in sin A = 3/5,

A = ∅3 = opposite side, which corresponds to a in the given triangle.5 = hypotenuse, which corresponds to c in the given triangle.b is therefore the adjacent side

Thus, find the value of b by applying the Pythagorean theorem.

[tex]b = \sqrt{c^2 - a^2}[/tex] (Pythagorean Theorem)

Substitute

[tex]b = \sqrt{5^2 - 3^2}\\\\\mathbf{b = 4}[/tex]

Therefore, using the trigonometry ratio and Pythagorean Theorem, the value of b in the triangle is: 4.

Learn more about Trigonometry ratios on:

https://brainly.com/question/4326804

which best describes the relationship between the 125 angle and angle a

Answers

Answer:

They are same side interior angles. Angle A measures 55°.

Step-by-step explanation:

How to multiply decimal numbers.

Answers

Answer:

To multiply decimals, first multiply as if there is no decimal. Next, count the number of digits after the decimal in each factor. Finally, put the same number of digits behind the decimal in the product.

Step-by-step explanation: Hope it helps!!!!

PLEASE HELP AND EXPLAIN ALSO SHOW WORK​

Answers

Answer:

x=10

Step-by-step explanation:

Make 2x the only variable on the left side of the equation. Do that by taking 3 and 5 to the left. Note: if you move/transpose any number the sign must change.

2x = 18+5-3

2x=20

Divide both sides of the equation by 2 to make x the only variable left.

x=10

What is the length of the triangle shown below

Answers

[tex]\cos \theta = \dfrac{\text{Base}}{\text{Hypotenuse}}\\\\\\\cos 45^{\circ} = \dfrac{s}{10\sqrt 2}\\\\\implies \dfrac 1{\sqrt2} = \dfrac{s}{10\sqrt 2}\\\\\\\implies \dfrac s{10} = 1\\\\\implies s= 10[/tex]

How to integrate absolute value.

Answers

Answer:

I cant even see anything can you reupload your answer, please?

Step-by-step explanation:

100 IF U GET THIS RIGHT!

Answers

Answer:

Eq

y = mx + c

m = slope

c = intercept

y = 2/9 x + (-2)

slope m=2/9

Other Questions
Find the values of a and b. The diagram is not drawn to scale. The place located at 6N and 2E 3.John Legend is looking for help to modernize the inventory systems at his company, Green Light. He is looking for information on Enterprise Resource Planning (ERP) and Blockchain. Use the textbook and Internet resources to find information to help Mr. Legend. Write two to three sentences each to describe ERP and Blockchain, and how these technologies can help better manage inventories. (17 points) Mr. Legend wants to be assured that the information that you are providing is dependable. Please cite the sources you used to collect information for your responses Write the function in slope-intercept form 4y=-8x-10WILL MARK BRAINLIEST The author's use of words such as "improve," "cure," and "prevent" create what kind of tone? A) hopefulB) amiableC) flippantD) formal Find the perimeter. Simplify the answer. how many gigabytes is animal crossing new horizons You discover a planet orbiting a distant star that has about the same mass as the sun, with an orbital period of 53 days. What is the planets orbital distance?. You are given 1.091 grams of a white powder and told that it is a mixture of potassium carbonate and sodium carbonate. You are asked to determine the percent composition by mass of the sample. You add some of the sample to 10.00 mL of 0.8903 M nitric acid until you reach the equivalence point. When you have added enough carbonate to completely react with the acid, you reweigh your sample and find that the mass is 0.573 g. Calculate the mass of the sample that reacted with the nitric acid. Calculate the moles of nitric acid that reacted with the sample. On average, Laylah drinks 1/2 of a 6-ounce glass of water in 2/3 hour. What is 1/2 of 6? what is 4 - (-10) equal too? explain in your own words and why so BRAINLIEST Solve for X. Round to the nearest tenth. Which of the following are true of an advertising plan? (Check all that apply.) Multiple select question. It analyzes the marketing and advertising situation. It identifies the objectives of the advertising campaign. It indicates how a firm can determine whether the campaign was successful. It typically follows the same strategies for all campaigns. Which of the following statements are true? Select all that apply. Rural hospitals that have suffered the most have been those ______. Four companies have each issued $6 million in bonds. Which company will have the lowest balance in a contra account, without having a zero balance, assuming this is the first bond issuance for all four companies?. How much would $100 invested at 6% interest compounded monthly beworth after 20 years? Round your answer to the nearest cent. Fire properties of the glass? | 21. What is the definition of trustworthiness between two people?Knowing that someone would never hurt you and that they are willing to keep promisesThat you will not speak unkindly about each other, even when the other person is not thereThat you are there to support each otherThat you will speak unkindly about each other, but only when the other person is there22. Which statement is TRUE?If a friendship requires hard work, then it is an unhealthy relationship.Someone who has many friends definitely has better social health than someone with only a few close friends.A healthy friendship will never require you to make sacrifices.Part of social health means that you make positive contributions to your community.23. What is involved in effective communication?Being able to express what you meanUnderstanding what is being said to youInterpreting nonverbal cluesAll of the above24. Which of the following is an example of using effective speaking skills?"I feel upset when I'm lied to; I want people to be honest with me.""You are usually an honest person, but I know you are lying.""You are such a liar!""You never tell me the truth."25. Which of the following statements is true?Child abuse can be violent episodes of rage from children.Spousal abuse occurs in all kinds of families regardless of income, level of education, or race.Domestic violence is any abuse that occurs between friends.Physical abuse is accidentally causing bodily harm to another person.26. Having this in a relationship can make a person feel secure enough to express how they feel, and be willing to listen to one other.Physical abuseMarriageTime togetherGood communication27. Kristina and Tim are using which technique when they compromise in order to reach an agreement?ValidationDecision-makingNegotiationCommunication28. What is social health?To have satisfying relationshipsTo have a support network of friends and familyTo make positive contributions to your community, country, and worldAll of the above29. Which word is defined as "giving signals that you are involved and interested in the conversation such as nodding your head and maintaining eye contact"?EncouragingActive listeningEmpathizingClarifying30. Which of the following is not one of the three R's to help you avoid abuse?RememberResistRecognizeReport PLZZZZZZZ help me and thank you