Question

Given m = 7 and the point (3, -1), which of the following is the point-slope form of the equation

Answer 1

Answer:

y = 7x - 22

Step-by-step explanation:

We know that point-slope form is y = mx + b (b is y-intercept, m is slope, and the y and x is of any point on the line)

We can plug in m as 7, y as -1, and x as 3 to get:

-1 = 21 + b

You can subtract 21 on both side to get b = -22.

Then, we plug in m = 7 and b = -22 to y = mx+b to get y = 7x + (-22) which simplifies to:

y = 7x - 22

Answer 2

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