Peter works as a delivery person for a bike shipping company. The graph shows a linear model for his
delivery times on different days.

(a) what is the equation of the line, first written in point-slope form and then written in slope- intercept form? show how you determined the equation.

(b) based on the linear model, predict how long it initially took peter to deliver his packages (y-intercept) approximately how much did his delivery time decrease per day (slope)? Complete sentences

Peter Works As A Delivery Person For A Bike Shipping Company. The Graph Shows A Linear Model For Hisdelivery

Answers

Answer 1

Answer/Step-by-step explanation:

a. Using a point on the graph, (6, 12), and the slope of the line, we can first generate an equation in the point-slope form, given as [tex] y - b = m(x - a) [/tex], where,

m = slope, and (a, b) is a point on the line.

Using two points, (6, 12) and (3, 21), let's find slope, m.

[tex] slope (m) = \frac{y_2 - y_1}{x_2 - x_1} = \frac{21 - 12}{3 - 6} = \frac{9}{-3} = -3 [/tex]

Using a point (6, 12) and slope, m = -3, generate an equation in the point-slope form by substituting a = 6, b = 12, and m = -3 in [tex] y - b = m(x - a) [/tex].

✅Equation in point-slope form would be:

[tex] y - 12 = -3(x - 6) [/tex]

Rewrite this to make it be in the slope-intercept form, [tex] y = mx + b [/tex].

[tex] y - 12 = -3(x - 6) [/tex]

[tex] y - 12 = -3x + 18 [/tex]

Add 12 to both sides

[tex] y = -3x + 18 + 12 [/tex]

[tex] y = -3x + 30 [/tex]

✅The equation in slope-intercept form is [tex] y = -3x + 30 [/tex]

b. ✍️Based on the linear model, [tex] y = -3x + 30 [/tex], the 30 represents b = y-intercept.

✅Therefore, it took Peter 30 mins long initially to deliver his package.

✍️Based on the linear model, [tex] y = -3x + 30 [/tex], "-3" represents the slope.

✅Therefore,  Peter's delivery time decreased 3 mins per day.


Related Questions

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Step-by-step explanation:

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Step-by-step explanation:

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In mathematics education, precalculus or College algebra is a course, or a set of courses, that includes algebra and trigonometry at a level which is designed to prepare students for the study of calculus. Schools often distinguish between algebra and trigonometry as two separate parts of the coursework.

Step-by-step explanation:

Dude you can search this stuff up

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I don't have a question but a message for everybody out there:

PLEASE EXCEPT JESUS AS YOUR ONE AND ONLY SAVIOR!!!
FOR TIME IS TOO SHORT, THE SECOND COMING OF THE LORD IS VERY SOON!!
PLEASE REPENT OF YOUR SINS, ASK GOD FOR FORGIVENESS!!!!

John 3:16
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Revelation 22:12-13
“Behold, I am coming soon, bringing my recompense with me, to repay everyone for what he has done. I am the Alpha and the Omega, the first and the last, the beginning and the end.”

Revelation 22:12
“Behold, I am coming soon, bringing my recompense with me, to repay everyone for what he has done.

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AGAIN, PLEASE EXCEPT JESUS AS YOUR ONE AND ONLY SAVIOR!!!
FOR TIME IS TOO SHORT, THE SECOND COMING OF THE LORD IS VERY SOON!!
PLEASE REPENT OF YOUR SINS, ASK GOD FOR FORGIVENESS!!!!

Answers

Answer:

Amen Sister!

A whole lot of people who are against the word are gonna delete this

*cough* *cough* Karens *cough*

Step-by-step explanation:

How do I properly repent?

Plz mark B R A I N L I E S T

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Answers

Answer:

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Step-by-step explanation:

-2(8x - 1) = 4(3x + 4)

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Step-by-step explanation:

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Answer:

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Step-by-step explanation:

Don't take my word for it but I hope it maybe helped and sorry if it's useless

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Answer:

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Step-by-step explanation:

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Answers

Answer:

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Step-by-step explanation:

d+3567=0

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Answer:

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Step-by-step explanation:

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Answers

Answer:

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Step-by-step explanation:

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Step-by-step explanation:

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Answers

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Answers

Answer:

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Step-by-step explanation:

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Answer:

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Step-by-step explanation:

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Answers

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edge 2022

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