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PSAT Math Videos 28 videos

Secret Ingredients
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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
312 Views

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?

James and Steve Rowboat Friendship
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PSAT 1.1 Math Narrative Walkthrough. In how many hours will James and Steve meet?

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Which Graph Represents the Equation? 186 Views


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PSAT 1.2 Math Narrative Walkthrough. Which graph represents the equation?

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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

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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