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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?
- TSI Math / Elementary Algebra and Functions
- Test Prep / TSI
- Elementary Algebra and Functions / Linear Equations, Inequalities, and Systems
- TSI Mathematics / Elementary Algebra and Functions
- TSI / TSI Math
- Elementary Algebra and Functions / Linear Equations, Inequalities, and Systems
- TSI / TSI Mathematics
- Test Prep / TSI
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
Full Transcript
- 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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