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Chapter 3: Q 3.48 (page 280)

Find the equation of a line with slope -1and y-intercept(0,-3).

Short Answer

Expert verified

The equation isy=-x-3.

Step by step solution

01

Step 1.  Use the slope-intercept form 

The slope-intercept form is y=mx+b.

Slope (m)=-1

y-intercept(0,-3)

02

Step 2.  Substitute values into slope-intercept form

y=mx+by=(-1)x+(-3)y=-x-3

The equation of line with slope-1andy-intercept(0,-3)isy=-x-3.

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Most popular questions from this chapter

Graph the equations y=-13x,y=-13in the same cartesian plane.

Find the equation of a line with slope25andy-intercept(0,4).

Find the equation of the line shown in each graph and write the equation in slope-intercept form.

Determine whether each equation is a function.

  1. x+y2=4
  2. y=x2-7
  3. y=5x-4

In the following exercises, find the equation of a line containing the given points. Write the equation in slope–intercept form.

(7, 1) and (5, 0)
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