Asked by Michelle
how do I find the two sets of points for the following algbrea equation?
y=-3x+2
y=-3x+2
Answers
Answered by
MathMate
The equation stands for a straight line with a slope of -3 and a y-intercept of 2.
Points on the line may be obtained by assigning a value to x, and then evaluating y according to the equation. For example, a point with x=0 gives y=-3(0)+2=2, therefore the point (0,2) is on the given line.
Similarly, for x=1, y=-3(1)+2=-1, or (1,-1) is also on the line.
Continue in the same way, assigning different values to x, you will obtain as many points as you need that lie on the given line.
Points on the line may be obtained by assigning a value to x, and then evaluating y according to the equation. For example, a point with x=0 gives y=-3(0)+2=2, therefore the point (0,2) is on the given line.
Similarly, for x=1, y=-3(1)+2=-1, or (1,-1) is also on the line.
Continue in the same way, assigning different values to x, you will obtain as many points as you need that lie on the given line.
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