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Chapter 4: Q. 626 (page 570)

In the following exercises, identify the slope and y-intercept of each line.

y=-4x+9

Short Answer

Expert verified

The slope of the line y=-4x+9is -4and the y-intercept is (0,9)

Step by step solution

01

Step 1. Given Information

The line:

y=-4x+9

02

Step 2. Slope-intercept form

The slope-intercept form of the equation is,

y=mx+b

03

Step 3. Compare given equation with slope-intercept form

By comparing, the slope is m=-4

And the y-intercept is b=9

So the y-intercept is (0,9)

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