Evaluate the expression for x = 2. -9x2 + 11x − 7 =

All you have to do is replace every x with 2 and then solve:

Make to sure to follow the Order of Operations!!

-9x(2) + 11x - 7 =

(-9 × 2 × 2) + (11 × 2) - 7 =

-36 + 22 - 7 =

-14 - 7 =

-21

The answer is -21.

Hope that helps!

Follow order of operations.

(Replace x with 2)

-9x2 + 11x − 7 =

-9(2)*2+11(2)-7

-9*2=-18*2= -36

11*2=22-7= 15

-36+15 = -21

-21 :)

- Liebesleid

part a

in a city ice cream is mostly only bought when the temperature is very high as ice cream cools down our

so we can derive the conclusion that as the temperature increases the number of ice creams sold also increases

part b

y intercept is 5

slope is 2

happy to

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