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Chapter 3: Q 3.49. (page 281)

Find the equation of the line shown in the graph.

Short Answer

Expert verified

The equation isy=35x+1.

Step by step solution

01

Step 1. Find y-intercept from the graph

We can see that graph crosses y-axis at (0,1).

So the y-intercept is (0,b)=(0,1)

Another point on the line is(5,4).

02

Step 2. Find slope by counting rise and run

Slope is:

m=riserunm=35
03

Step 3. Substitute the values into the slope-intercept form

The slope-intercept form is:

y=mx+by=35x+1

The equation of the line isy=35x+1.

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