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TSI Math: Writing the Slope-Intercept Equation of a Graphed Line 97 Views


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Description:

What is the equation of the line graphed above?


Transcript

00:03

All right sy shmoop er's We have question won for

00:06

you with a whole bunch in math land and we

00:08

don't like being here on a saturday afternoon here with

00:12

us Alright here's First question What is the equation of

00:14

the line Graft above So it's gonna have positive slope

00:20

And we also noticed we got the y equals mx

00:23

plus b thing working for us here Let's Think about

00:26

this too right The equation of a line Remember we

00:28

just need those two pieces of information The line slope

00:31

and it's Why intercept it's Kind of like a user

00:33

name and password Once a hacker gets a hold of

00:36

them while it's all over So the why intercept on

00:38

the line is the location where the line crosses the

00:42

y axis Well the graph shows us that the y

00:45

intercepted this line is negative five seen right there That

00:49

is where the line crosses it So the why Intercept

00:52

is negative five All right so we can cross out

00:54

these other two so a and see it ain't it's

00:57

Got to be other b or d here starting at

01:00

the y intercept and moving to the point to comma

01:03

zero right there The line moves Five units up and

01:07

two to the right So what's slope Yeah Five half

01:11

remember its rise over run to it rises five and

01:14

it runs to all right Well put the slope and

01:16

the y intercept be together in the form y equals

01:19

mx plus b And the equation of line is Why

01:21

equals five halves X minus five The answer is the 00:01:25.349 --> [endTime] for er done

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