Question

I need help with this math question can someone help

Answer 1

Answer: C)  y = -3.5x+10

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Explanation:

The y intercept is 10 which means (0,10) is another point on this line.

Use the slope formula for the two points (0,10) and (5,-7.5)

m = (y2-y1)/(x2-x1)

m = (-7.5-10)/(5-0)

m = (-17.5)/(5)

m = -3.5

We have m = -3.5 as the slope and b = 10 as the y intercept.

We go from y = mx+b to y = -3.5x+10 which is why the answer is choice C.