Elijah and aubrey have summer jobs elijah deposits the same amount of money in his account every week the equation is y = 125 x + 72 represents his bank balance and he give it a week but the summer aubrey off of deposit the same amount into her account every week at the end of the third week she has $398 at the end of the first week she has $773.

a. write an equation to represent aubrey's bank balance any given week of the summer

b. the graph of the equation for aubrey's balance be parallel to the graph of elijah's balance? explain

c. what do the parallel graphs mean in terms of the situation?

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Part a)

Part b) The graph of the equation for Aubrey's balance is parallel to the graph of Elijah's balance

Part c) Parallel graphs mean that their slopes are the same and that they deposited the same amount of $125 per week into their account balance during the summer.

Step-by-step explanation:

The correct question is

Elijah and Aubrey have summer jobs. Elijah deposits the same

amount of money in his account every week. The equation y = 125x + 72 represents his bank balance any given week of the summer. Aubrey also deposits the same amount into her account every week. At the end of the third week she has $398. At the end of the sixth week she has $773.

a. Write an equation to represent Aubrey's bank balance any given week of the summer.

b. Would the graph of the equation for Aubrey's balance be parallel to the graph of Elijah's balance? Explain.

c. What do the parallel graphs mean in terms of the situation?

Part a)

Let

x ----> the number of weeks  

y ----> represent bank's balance

we know that

Elijah

-----> equation A

Aubrey

we have the points

(3,398) and (6,773)

Find the slope m

Find the equation of the line in point slope form

we have

substitute

----> equation in point slope form

Convert to slope intercept form

----> Aubrey's bank balance

Part b)

Compare the equations

----> Elija's bank balance

----> Aubrey's bank balance

Remember that

If two lines are parallel, then their slopes are equal

In this problem the slopes are equal

therefore

The graph of the equation for Aubrey's balance is parallel to the graph of Elijah's balance

Part c) Parallel graphs mean that their slopes are the same and that they deposited the same amount of $125 per week into their account balance during the summer.

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step-by-step explanation:

answer: check all that apply, where the options?

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