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Chapter 1: Q 525. (page 109)

Evaluate variable expressions with fractions.

a+ba-bwhen a=鈭�3,b=8

Short Answer

Expert verified

The value of the given expression is -511.

Step by step solution

01

Step 1. Given information

Consider the expression.

a+ba-b

02

Step 2. Evaluate the expression whena=−3, b=8.

Substitute afor -3and 8for binto the given expression.

a+ba-b=-3+8-3-8

Evaluate the numerator.

a+ba-b=5-3-8

Evaluate the denominator.

a+ba-b=5-11

03

Step 3. Simplify the expression.

a+ba-b=-511

Hence, the value of the expression is -511.

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