body{margin:0;} noscript{z-index: 10000; position: fixed; display: block; height: 100%; width: 100%; background: #fff;} noscript .fa{font-size: 40px; display:block; color: #daa520;} noscript div{margin-top: 6%; padding-left: 20px; padding-right: 20px; text-align: center;} ! You must have JavaScript enabled to use this site.

Dashboard

PA

Pearson Algebra 1 Common Core, 2011 View details

1. Quadratic Graphs and Their Properties

Finish the assignment

Continue to next subchapter

Exercise 61 Page 552

Substitute 10 for a, and -7 for b.

7/20

Practice makes perfect

We are given an expression and asked to evaluate it for some given values. a=10and b=-7 This means that we should substitute 10 for a and -7 for b in the given expression and then evaluate. Let's start.

-b/2a

Substitute

a= 10

-b/2* 10

Substitute

b= -7

-(-7)/2* 10

NegNeg

- (- a)=a

7/2* 10

Multiply

7/20