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Chapter 8: Q. 6 (page 917)

In the following exercises, evaluate the rational expression for the given values.

4y-15y-3(a)y=0(b)y=2(c)y=-1

Short Answer

Expert verified

The required answers are

Part(a)13Part(b)1Part(c)58

Step by step solution

01

Part(a) Step 1. Given Information 

The given expression is4y-15y-3

02

Part (a) Step 2. Calculation 

Substitute 0 for y,

4y-15y-3=4(0)-15(0)-3=-1-3=13

03

Part (b) Step 1. Calculation 

Substitute 2 for y,

4y-15y-3=4(2)-15(2)-3=8-110-3=77=1

04

Part (c) Step 1. Calculation 

Substitute -1 for y,

4y-15y-3=4(-1)-15(-1)-3=-4-1-5-3=-5-8=58

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