Question

Which is the slope and y-intercept of the following equation?
y = 8x + 1

Answer 1

Do you know slope y -intercept formula?

Answer 2

no, unfortuanately.

Answer 3

Please look it up, so you can learn!

Answer 4

Paul is God. He got me through calculus, so I'm sure he can get you through algebra. Read through this whole section, you'll learn a lot.

http://tutorial.math.lamar.edu/Classes/Alg/Lines.aspx

Answer 5

Brinet comes to rescue you :)

Answer 6

Chlor, you can still answer, I just wanted to pass on these notes. They are awesome.

Answer 7

thanks ill read these and see if they help

Answer 8

Just give me any idea about slope!

Answer 9

@ewokkman1, your y-intercept will be when x=0. Look at any graph and you can understand this visually. So plug x=0 into your equation and see what you get.

Answer 10

so the y-intercept will =9?

Answer 11

What is 8*0?

Answer 12

0

Answer 13

y = 8*0 +1

Answer 14

oh...... i think i understand it.
So my y-intercept would would equal 1

Answer 15

Yup! :-)

Answer 16

And if you ever have it where it's not in y=mx+b form, first step is to always always always get it in that form. No coefficient next to the y. Make sure y is by itself.

You'll understand more when you read through those notes, they explain it really well.

Answer 17

So what is "m" in your case?

Answer 18

8

Answer 19

Yep. And if you want to graph the line by starting at a given point, you want to move up 8 in the positive direction, and over 1 in the positive direction.

They don't really specify this, but it's implied. m= 8/1 = 8. That helps if you don't feel like plugging in another point but just graphing the function. If it's -8, then that mean move down 8 in the negative direction and over 1 in the positive direction.