Evaluate the expression below when x = -2. x2 − 8 x + 6

1 answer:

3 0

First, substitute -2 into each equation where there is an x:
(-2)2 -8
(-2) +6

Then multiply the -2 and the 2 in the first equation and add -2 and 6 in the second:
-4 -8
4

Lastly, subtract -4 and 8:
-12
4

Now you have you answers -12 and 4!

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Y=−2x+4 Complete the missing value in the solution to the equation. (____,-2)

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(3, - 2)

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- 2x + 4 = - 2 ( solve for x )

subtract 4 from both sides

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x = $\frac{-6}{-2}$ = 3