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Chapter 3: Q. 191 (page 293)

Determine an equation of the line that contains the points (7,2) and (7,-2). Write the equation in slope-intercept form.

Short Answer

Expert verified

The equation in slope-intercept form isy=-4x+26

Step by step solution

01

Given information. 

The given point is (7,2) and (7,-2).

02

Determine the slope by using the given points. 

The slope should be calculated by applying the following formula

m=y2-y1x2-x1m=-2-(2)7-7m=-40m=-4

03

Select one point

Select either point

x1=7,y1=-2

04

Simplify the equation in point-slope form y-y1=m(x-x1) 

y-y1=m(x-x1)y-(-2)=-4(x-7)y+2=-4x+28y=-4x+28-2y=-4x+26

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Most popular questions from this chapter

Plot each point in a rectangular coordinate system and identify the quadrant in which the point is located.
(-2,1),(-3,-1),(4,-4),(-4,4),(-4,32)

In the following exercises, use slopes and y-intercepts to determine if the lines are parallel, perpendicular, or neither.

y=2and y=6

Graph the equationsx=3,y=1.

Graph the equation-x+4y=8using the intercepts.

Use the slope formula to find the slope of the line between each pair of points.

-2,-1,6,5.
See all solutions

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