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What is the equation of a line with a slope of 7 and a point (1, 8) on the line?

A) y = 7x + 1
B) y = 7x
C) y = 7x + 8
D) y = 7x – 56

2 Answers

3 votes

Hello there!

We have the slope and a point.

We can use the point-slope formula:

y-y1=m(x-x1)

Plug the point and the slope:

y-8=7(x-1)

y-8=7x-7

y=7x-7+8

y=7x+1

So the answer is Option A

Hope this helps

~Just a gloomy gal

#CarryOnLearning


SilentNature

User Phius
by
8.5k points
1 vote
Hi there,
the answer is option (A).
Hope it helps
User JoeyP
by
7.8k points

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