Question

What is the point-slope equation of the line with slope -10 that goes through the point (1, 4)?

A. y - 4 = 10(x - 1)
B. y + 4 = 10(x + 1)
C. y + 4 = -10(x + 1)
D. y - 4 = -10(x - 1)

Answer 1

\(\large\color{slate}{ y-y_1=m(x-x_1) }\)


\(\large\color{slate}{(x_1,y_1) }\) is the point. \(\large\color{slate}{ m }\) is the slope.

Answer 2

ok so the same thing as the last equation?

Answer 3

yes

Answer 4

ok!

Answer 5

and you get? (take your time if needed)

Answer 6

Ok I don't get it all of them i plugged in and they keep looking like they don't work..

Answer 7

plug in the slope which options can you eliminate

Answer 8

A and B automatically..

Answer 9

Ok I still don't see what im doing wrong.?

Answer 10

@SolomonZelman

Answer 11

Both times I plug C and D in they say thier false.

Answer 12

it is either C or D, because the slope is -10, not just 10

Answer 13

now plug in your point as we did last time

Answer 14

Ok,

Answer 15

I don't think C works.

Answer 16

yes, C is not the ans because it should be y\(\normalsize\color{teal}{ - }\)4 and x\(\normalsize\color{teal}{ - }\)1.

so it is therefore D.

Answer 17

Thank you!

Answer 18

yw