Question

The y-intercept of the line whose equation is x - y = -1 is

-1

0

(1) correct?

Answer 1

yes that is correct, the y-intercept is where x=0
plugging in o for x gives you
0-y=-1
-y=-1
y=1

Answer 2

thanks. can you help me with 1 more?

Answer 3

yep

Answer 4

The slope of the line passing through the points (2, 7) and (-4, 8) is

-6

-1/2 correct?

-1/6

Answer 5

yes that is correct;
m=(y2-y1)/(x2-x1)
m=(8-7)/(-4-2)
m=-1/6

Answer 6

you say its -1/6?

Answer 7

yes

Answer 8

but you said i was correct

Answer 9

oh sorry i read it wrong, you were not correct try again using the formula m=(y2-y1)/(x2-x1)