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What is the equation of a line that goes through these points? x -2, -1, 0, 1, 2 and y-1, 1, 3, 5, 7

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Slope-intercept form is:

y = mx + b

"m" is the slope, "b" is the y-intercept (the y value when x = 0)

You need to find "m" and "b"


To find the slope, you use the slope formula, and plug in 2 points. I will use the points (0,3) and (1,5):


m=(y_(2)-y_(1))/(x_(2)-x_(1))


m = (5-3)/(1-0)


m=(2)/(1)

m = 2


y = 2x + b

To find "b" you can plug in a point into the equation, or you can find the point when x = 0. When x = 0, the y value is 3, so the y-intercept is 3


y = 2x + 3

User Hsz
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