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Mathematics 19 Online
OpenStudy (anonymous):

@AnswerMyQuestions

OpenStudy (anonymous):

OpenStudy (anonymous):

Put it in the expression y=mx+b

OpenStudy (anonymous):

B is the y-intercept and m is the slope

OpenStudy (igreen):

Take any two points on the line and plug them into the slope formula. Let's take (0, -4) and (2, 2) \(m = \dfrac{2+4}{2-0}\) Simplify that

OpenStudy (anonymous):

Mind telling me where it intercepts at the y-axis?

OpenStudy (anonymous):

Yes, and the y-intercept is where the line touches the y-axis.

OpenStudy (anonymous):

Yes

OpenStudy (anonymous):

What is it @sethRB26DETT

OpenStudy (anonymous):

@iGreen its 3

OpenStudy (igreen):

Yes, that's our slope. Now what's the y-intercept?

OpenStudy (anonymous):

No

OpenStudy (anonymous):

the y intercept is -4

OpenStudy (anonymous):

That is the x-intecept

OpenStudy (anonymous):

Yes!

OpenStudy (igreen):

Yep, so we have: y = 3x - 4

OpenStudy (anonymous):

Correct so now plug it in!!

OpenStudy (anonymous):

@iGreen is that my answer?

OpenStudy (igreen):

Yep

OpenStudy (anonymous):

Now we will do the slope which is rise/run.

OpenStudy (anonymous):

alright thanks

OpenStudy (anonymous):

Find 2 points. Go up and then to the right that is your slope.

OpenStudy (anonymous):

@iGreen that was wrong......

OpenStudy (igreen):

That's correct..you probably typed it in wrong.

OpenStudy (anonymous):

i typed y=3x-4

OpenStudy (igreen):

Oh, that is wrong..hold on.

OpenStudy (igreen):

Oh..I took the wrong points for the slope..sorry. Take any two points on the line and plug them into the slope formula. Let's take (0, -4) and (1, 2) \(m = \dfrac{2+4}{1-0}\) Simplify that

OpenStudy (anonymous):

6

OpenStudy (igreen):

Yep, so the equation is actually: y = 6x - 4

OpenStudy (anonymous):

okay can you help with this one to please

OpenStudy (igreen):

Okay, close this one and open a new one

OpenStudy (anonymous):

ok

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