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TSI Math Videos 144 videos

TSI Math: Writing the Slope-Intercept Equation of a Graphed Line
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What is the equation of the line graphed above?

TSI Math: Plugging in Slope and Point to Find the Equation of a Line
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A line passes through the point (-4, -4) and has a slope of . What is its equation?

TSI Math: Using Intercepts to Find the Slope of a Line
5 Views

Line A has an x-intercept of -4 and a y-intercept of 8. What is its slope?

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TSI Math: Creating an Inequality from Mathematical Terms 5 Views


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Description:

Katie and Jill take turns swimming laps in a pool. In total, Katie swims twice as many meters as Jill. If the girls want to swim more than 360 meters combined, which inequality represents how many meters x Jill needs to swim to reach that goal?


Transcript

00:02

All right yes i'm asked members here we go Another

00:03

word problem for you In the siri's katie and jill

00:06

take turns swimming laps in a pool In total katie

00:10

swims twice as many meters is jill If the girls

00:12

want to swim more than three hundred sixty meters combined

00:16

like who does that Which inequality represents how many meters

00:20

x jill needs to swim to reach that goal Phrases

00:28

like more than and twice as many sound like everyday

00:32

phrases but both are encoded tightly with mathematical clues just

00:36

waiting to be cracked very specifics You gotta be exact

00:39

when you describe them start with a phrase twice a

00:41

cz many well for every meter jill swims katie swims

00:45

too We don't know how many meters jail was able

00:47

tio doggy paddle though so that value is x The

00:50

number of meters katie swims is two x will combine

00:54

the girls swim x plus two Acts or 3 acts

00:57

meters If you get that everything is a smooth sailing

01:01

or swimming or whatever Whatever value three ex winds up

01:04

being it must be mohr than three sixty if the

01:07

girls want to meet their goal well the problem doesn't

01:09

say anything about three sixty being adequate so use the

01:12

greater than symbol not the greater than or equal to

01:15

symbol Yeah so that that d there would be wrong

01:18

it's gotta be c three Acts is simply greater than

01:21

3 sixty not equal to it and that's the accurate

01:24

representation of the number of meters jail needs to cover 00:01:28.064 --> [endTime] that's it we're done

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