Chapter 3: Q. 396 (page 353)

In the following exercises, graph by plotting points
$y = - 3 x$

Short Answer

Expert verified

The graph of the equation is:

Step by step solution

Step 1. Given information

Equation to be plotted is $y = - 3 x$ .................equation (1)

Step 2. To find three points whose coordinates are solution to the equation.

When $x = 0$

$y = - 3 \times 0 = 0$

when $x = 1$

$y = - 3 \times 1 y = - 3$

when

x = - 1

$y = - 3 (- 1) y = 3$

Now put three solutions in the table

x	y	(x,y)
0	0	(0,0)
-1	3	(-1,3)
1	-3	(1,-3)

Step 3. Plot these points in a rectangular coordinate system

points(0,-3), (1,1) and (2,5) are plotted as

Step 4. Draw the line through three points and extend the line.

The line is the graph of $y = - 3 x$

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In the following exercises, graph by plotting points
$y = - 3 x$

Short Answer

Step by step solution

Step 1. Given information

Step 2. To find three points whose coordinates are solution to the equation.

Step 3. Plot these points in a rectangular coordinate system

Step 4. Draw the line through three points and extend the line.

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In the following exercises, graph by plotting points y=-3x

Short Answer

Step by step solution

Step 1. Given information

Step 2. To find three points whose coordinates are solution to the equation.

Step 3. Plot these points in a rectangular coordinate system

Step 4. Draw the line through three points and extend the line.

One App. One Place for Learning.

Most popular questions from this chapter

Recommended explanations on Math Textbooks

Discrete Mathematics

Mechanics Maths

Applied Mathematics

Theoretical and Mathematical Physics

Geometry

Calculus

Study anywhere. Anytime. Across all devices.

In the following exercises, graph by plotting points
$y = - 3 x$