Jack's grandfather gave his parents a check to start a college savings account. they opened the account with the check, and then deposited $175 per month since. after 5 years there is $13,000 in the account. (this doesn't include intrest) write an equation to model the account balance, y, after x years. what was the original check amount from jack's grandfather?

answer:

333

step-by-step explanation:

x=-2

infinite number of lines, so there is an infinite number of equations.

step-by-step explanation:

there are an infinite number of line that passes through the point (-2,5)

x=-2   is one line that passes through the point

y = 5 is another line that passes through the point

(these two lines are perpendicular to each other).

since the number of   numbers are infinite and the slope is the ratio of two numbers,(change in y over change in x) we can have an infinite number of slopes.     our only condition is that it passes through the point (-2,5)

false

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