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Chapter 4: Q 4.66. (page 483)

Use the slope formula to find the slope of the line between the points :1,5and5,9.

Short Answer

Expert verified

The slope of a line is 1.

Step by step solution

01

Step 1. Given Information.

Use the slope formula to find the slope of the line through the points:1,5;5,9.

02

Step 2. Explanation about the concept of slope of a line. 

We'll call 1,5point #1 and 5,9point #2.

x1,y1=1,5;x2,y2=5,9

Use the slope formula :

m=y2-y1x2-x1.

03

Step 3. Calculation of a slope line. 

On Substituting the values, we get

yof the second point minus yof the first point,

m=9-5x2-x1

xof the second point minus xof the first point,

m=9-55-1

Simplify the numerator and the denominator,

m=44

Simplify,

m=1.

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