Logicaniac Logicaniac

02-12-2016
Mathematics

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State the X- and Y- intercepts of each function.

7x + 3y = -21

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02-12-2016

To find the x intercept, plug a zero in for y and solve.
7x + 3(0) = -21
7x = -21
x = -3

To find they intercept, plug a zero in for x and solve.
7(0) + 3y = -21
3y = -21
y = -7

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