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.

Pearson Algebra 1 Common Core, 2015

PA

Pearson Algebra 1 Common Core, 2015 View details

Get Ready!

Continue to next subchapter

Exercise 1 Page 543

Substitute -1, 3, - 2 for a,b,c, in the given expression.

- 13

Practice makes perfect

To evaluate the given expression for a= 1, b= 3, and c= -2, we should substitute these values into the expression and simplify as much as possible.

2a-b^2+c

SubstituteValues

Substitute values

2( -1)- 3^2+( -2)

Calculate power

2(- 1)-9+(-2)

Multiply

- 2-9+(- 2)

a+(- b)=a-b

- 2-9-2

Subtract terms

- 13

Subchapter links

Exercises p.543