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Algebra for College Students
10th Edition
ISBN:9781285195780
Author:Jerome E. Kaufmann, Karen L. Schwitters
Publisher:Jerome E. Kaufmann, Karen L. Schwitters
Chapter13: Conic Sections
Section13.2: Parabolas
Problem 57PS
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Example second image
Graphing lines with integer slopes
Let's graph y = 2x + 3.
Recall that in the general slope-intercept equation y =mx+b, the slope is
given by m and the y-intercept is given by b. Therefore, the slope of y = 2x + 3
is 2 and the y-intercept is (0, 3).
In order to graph a line, we need two points on that line. We already know that
(0, 3) is on the line.
Additionally, because the slope of the line is 2, we know that the point
(0+1, 3+2) = (1,5) is also on the line.
Transcribed Image Text:Graphing lines with integer slopes Let's graph y = 2x + 3. Recall that in the general slope-intercept equation y =mx+b, the slope is given by m and the y-intercept is given by b. Therefore, the slope of y = 2x + 3 is 2 and the y-intercept is (0, 3). In order to graph a line, we need two points on that line. We already know that (0, 3) is on the line. Additionally, because the slope of the line is 2, we know that the point (0+1, 3+2) = (1,5) is also on the line.
. . .. . . . .
ܗ ܘ ܪ ܐ ܐ ܢ
f
se=
7-8--9-9- 2- 8- 6-
. . . .
. . . .
Graph y = 2z - 7.
Transcribed Image Text:. . .. . . . . ܗ ܘ ܪ ܐ ܐ ܢ f se= 7-8--9-9- 2- 8- 6- . . . . . . . . Graph y = 2z - 7.
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