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Pearson Algebra 1 Common Core, 2011 View details

1. Quadratic Graphs and Their Properties

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Exercise 63 Page 552

Substitute - 12 for a, and - 48 for b.

-2

Practice makes perfect

We are given an expression and asked to evaluate it for some given values. a=- 12and b=- 48 This means that we should substitute - 12 for a and - 48 for b in the given expression and then evaluate. Let's start.

-b/2a

Substitute

a= - 12

-b/2* (- 12)

Substitute

b= - 48

-(- 48)/2* (- 12)

MultPosNeg

a(- b)=- a * b

-(-48)/- 24

NegNeg

- (- a)=a