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McGraw Hill Glencoe Algebra 1, 2012

MH

McGraw Hill Glencoe Algebra 1, 2012 View details

6. Ratios and Proportions

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Exercise 55 Page 117

Can the absolute value of a number be negative?

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Practice makes perfect

An absolute value measures an expression's distance from a midpoint on a number line. Since distance cannot be negative, the absolute value of a number cannot be negative.

| x+5|= -8 An absolute value cannot be equal to -8, so this absolute value equation has no solution.

Subchapter links

Check Your Understanding p.114

Practice and Problem Solving p.115-116

H.O.T. Problems p.116

Standardized Test Practice p.117

Spiral Review p.117

Skills Review p.117