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McGraw Hill Glencoe Algebra 2, 2012

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McGraw Hill Glencoe Algebra 2, 2012 View details

1. Expressions and Formulas

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Exercise 1 Page 7

Substitute - 2 for a, 3 for b, and 4.2 for c.

4.6

Practice makes perfect

To evaluate the given expression for a = -2, b = 3, and c= 4.2, we should substitute these values into the expression and simplify as much as possible.

a-2b+3c

SubstituteValues

Substitute values

-2-2( 3) +3( 4.2)

Multiply

-2-6+12.6

Add and subtract terms

4.6

Subchapter links

Check Your Understanding p.7

Practice and Problem Solving p.7-9

H.O.T. Problems p.9

Standardized Test Practice p.10

Spiral Review p.10

Skills Review p.10