Question

What is the equation of a line that passes through (7, 8) and has a slope of -3?

a. y=-3x+29

b. y=3x+13

c. y=1/3x-29

d. y=-1/3x-13

Answer 1

y=mx+b is slope-intercept form
m is the slope
and
b is the y-intercept

Answer 2

we are given m
we are also given a point (x,y) on the line
enter your point given and your value for m given into y=mx+b
and solve for b

Answer 3

b?

Answer 4

remember y=mx+b is in slope-intercept form
it tells you the slope is m
and the y-intercept is b
so compare y=3x+13 to y=mx+b
what is m here?

Answer 5

3