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McGraw Hill Glencoe Algebra 1, 2012

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McGraw Hill Glencoe Algebra 1, 2012 View details

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Exercise 16 Page 541

An absolute value is always non-negative.

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Practice makes perfect

To evaluate the given expression for a=- 2, we should substitute - 2 for a in the given expression. Remember that the absolute value acts as a grouping symbol, so we will perform the operations inside the absolute value bars first.

|a-3|

a= - 2

| - 2-3|

Subtract term

|- 5|

|-5|=5

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