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Chapter 3: Q.21 (page 251)

In the following exercises, graph by plotting points.

y=-25x+1

Short Answer

Expert verified

The graph of the equation is

Step by step solution

01

Step 1. Given Information

Given equation isy=-25x+1

The graph of the equation is to be determined plotting points.

02

Step 2. Find the points

A graph a linear equation two points are required and a third point would verify if the graph is correct i.e. if all the three lie on the same line then the graph is correct.

To determine the points, plugging x values and the corresponding y values are to be calculated.

Plugging x=0:

y=-25x+1y=-250+1y=0+1y=1

Plugging x=5:

y=-25x+1y=-255+1y=-2+1y=-1

Plugging x=10:

y=-25x+1y=-2510+1y=-4+1y=-3

Hence the points are0,1,,5,-1,10,-3

03

Step 3. Plotting the points

Plotting the points on the rectangular coordinate plane and joining them using a line:

04

Step 4. Conclusion

The graph of the equation by plotting points is

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