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Graphing Lines by Graphing Two Points

Instructions

For each problem, graph the line of the given equation. For problems 1 through 10, graph the line by plotting points at the given x values. For problems 11 to 20, graph the line by choosing two of your own x values. For printable graph paper, see the related links at the bottom of this page.

Checking Your Answers

Refer to the Answer Sheet. (We have not yet added automatic checking to this page.)

S1
y = 3x; points where x = -1 and x = 1
1
y = 1; points where x = 0 and x = 3
2
y = x; points where x = 0, x = 2
3
y = x + 2; points where x = -4 and x = 0
4
y = (1 / 3)x + (5/3); points where x = -2 and x = 4
5
y = -3 - x; points where x = -2 and x = -1
6
y = -3; points where x = -3, x = 4
7
y = -2x + 4; points where x = 2 and x = 3
8
y = 0.5x; points where x = -2 and x = 2
9
y = x - 4; points where x = 0 and x = 4
10
y = -0.5x - 2; points where x = -2 and y = 2
11
y = 0.5x - 1
12
y = -0.5x + 1
13
y = 5x
14
y = 0.25x
15
y = -x - 7
16
y = -2x + 8
17
y = 1.5x - 3
18
y = -2
19
y = -x - 2
20
y = -x + 4
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