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PSAT Math Videos 28 videos
PSAT 1.3 Math Narrative Walkthrough. How many full packages of secret ingredient does the company have to buy to make one 50-gallon batch?
PSAT 1.1 Math Diagnostic. If a rabbit consumes 3 meals a day, how many grams of food will a rabbit consume in 7 days?
PSAT 1.1 Math Narrative Walkthrough. In how many hours will James and Steve meet?
Which Graph Represents the Equation? 186 Views
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Description:
PSAT 1.2 Math Narrative Walkthrough. Which graph represents the equation?
Transcript
- 00:00
Thank you We sneak And here's your shmoop too sure
- 00:05
brought to you by negative slopes thie only hills that
- 00:08
are even more challenging than black diamonds Which graph below
- 00:13
represents the equation Negative to y equals four x minus
- 00:16
one And here the potential answers are what wrath represents
Full Transcript
- 00:21
What would this look like Graphically Unfortunately we don't hear
- 00:25
any of these graphs shouting equation represent which would have
- 00:29
been really helpful as it is Our best bet is
- 00:31
probably to take this thing converted into slope intercept form
- 00:35
and go from there Well slope intercept form as well
- 00:38
Recall is this thing why equals mx plus b the
- 00:42
equation were given kind of looks like that but we'll
- 00:44
need to get our why All by itself here so
- 00:47
let's divide both sides by negative too well that'll give
- 00:50
us why equals negative two x plus one half and
- 00:55
we're pretty much There are slope represented by m in
- 00:58
slope intercept form is negative Two gun until downward like
- 01:02
that And the y intercept b is a calf that's
- 01:06
gonna tie into the graphic somewhere at a half All
- 01:09
right Well which answer choice features a slope of negative
- 01:12
too And a why Intercept of a half Why that
- 01:15
would be option a So that's the one we're going
- 01:18
to ride off into the sunset here Let's Just make
- 01:20
sure we don't ride our horses across any negative slopes 00:01:23.758 --> [endTime] along the way
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