Question

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Answer 1

Y=mx+b

So the b, or y intercept, would be when x is 0. So the y intercept is 7.

Then to find the slope put it in the formula y2-y1/x2-x1 or rise/run. I’ll choose the first and second point. So (-1,5) and (0,7)

7-5/0-(-1)
And two negatives make a positive
So it is 2/+1 making the slope a positive 2.

So y=mx+b
y=2x+7

Answer 2

y=2x+7

Explanation:

If you plug in the x and y values, they are correct.