Question

What is the slope-intercept form of the function that contains the point (–1, 5) and has a slope of –4?

y = ____x + ____

Answer 1

y=mx+b
Slope is given
y=-4x+b
Take the given coordinates and plug them in
5=4(-1)+b
solve for b

Answer 2

how would i solve for b? i suck at math

Answer 3

Well 4 * -1=?

Answer 4

-4

Answer 5

Good
5=-4+b
We want to solve for b as in get it alone
add 4 to both sides
5+4=?

Answer 6

9

Answer 7

Good so b=9
Any ideas on what's next?

Answer 8

y = -4x + 9 ?

Answer 9

Perfect well done ^_^

Answer 10

thank you so much!!!

Answer 11

:-) yw