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Which is an equation in point-slope form for the given point and slope?

Point: (–8, 3); Slope: 6



y + 3 = 6x – 48


y + 3 = 6(x + 8)

y – 3 = 6(x – 8)


y – 3 = 6(x + 8)

User Ethan Choi
by
7.2k points

1 Answer

3 votes

Hi There!

Solution,

Point Slope Form: y - y1 = m(x - x1)

Now you have a reference equation of what the answer should look like.

By looking at the answer choices you can eliminate A.

Tip: When you have a negative number you are going to add. For Example, if you have -8, you will input x + 8 or y + 8.

Tip 2: When you have a positive number you are going to subtract. For Example, if you have 3 you will input x - 3 or y - 3.

We can eliminate B because its not subtracting 3.

We can also eliminate C because its not adding -8.

The best answer choice is D.

Answer,

y – 3 = 6(x + 8)

I hope you understand, so you can do this in the future on your own.

Hope This Helps :)

User James Vince
by
7.9k points

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