Mathematics
rrholder3
48

What is the equation of a line with a slope of ​3​ and a point (3, 1) on the line? Express the equation in the form of y=mx+b where m is the slope and b is the y-intercept.

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(1) Answers
Jacob706

y = 3x - 8 1) plug the information you have into the slope-intercept equation 1 = 3 * 3 + b 2) solve for b -8 = b 3) you've used your point, (3, 1), to find b, so you don't need it anymore 4) plug in your slope, m, and your y-intercept, b 5) now you have your equation y = 3x - 8

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