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Chapter 3: TRY IT: : 3.25. (page 257)

Find the slope of the line.

x=-4

Short Answer

Expert verified

The slope of the linex=-4is undefined.

Step by step solution

01

Step 1. Given information

The equation of the line is

x=-4

02

Step 2. Identify the type of a line.

Since the line is x=-4, it is parallel to y-axis.

So, this is a vertical line.

03

Step 3. Finding the slope

Since the line is a vertical line, and slope of any vertical line is always undefined.

So, the slope of the line is undefned.

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Most popular questions from this chapter

Is every relation a function? Is every function a

relation?

In the following exercises, graph by plotting points.

y=x+2

Graph the line of equation y= 3x-1 using its slope and y-intercept.

Patel's weekly salary includes a base pay plus commission on his sales. The equation S=750+0.09cmodels the relation between his weekly salary, S, in dollars and the amount of his sales, c, in dollars.

(a) Find Patel's salary for a week when his sales were 0.

(b) Find Patel's salary for a week when his sales were 18,540.

(c) Interpret the slope and S-intercept of the equation.

(d) Graph the equation.

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