Question

@ridoleor What is the equation (in slope-intercept form) of a line that passes through the point (3, -2) and has a slope of -2?

Answer 1

y + 2 = -2(x-3)
y + 2 = -2x + 6
y = -2x + 4

Answer 2

thanks, what about.. What is the equation of a line that passes through (-6, 2) and has a slope of -1/2

Answer 3

y - 2 = -1/2(x +6)
y - 2 = -1/2x - 3
y = -1/2x - 1

Answer 4

Automatically you can tell it's the last one, because that's the only one with a positive slope.

Answer 5

sorry im not very good with graphs..

Answer 6

It's alright. For this one, you can eliminate the last 2 because they are not in point-slope form anyway. Then you can eliminate the first one, because it has a positive slope.

Answer 7

thanks, and

Answer 8

The second one; it's the only one with a neg. slope

Answer 9

What is the equation of a line that passes through (4, 7) and has a slope of -1/4