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CAHSEE Math 1.2 Algebra and Functions 759 Views


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Description:

CAHSEE Math Algebra and Functions: Drill Set 1, Problem 2. Which of the following represents the statement?

Language:
English Language

Transcript

00:03

And here's your shmoop du jour.

00:07

Which of the following represents the statement,

00:09

"six more than seven times a number, y, is equal to 73"?

00:13

Here are the potential answers...

00:16

And spoiler alert, hit pause. Try it yourself.

00:21

Ok, the evil wizards are testing our technical math-vocabulary skills.

00:27

We just have to read the question carefully, and we'll get to the promised land.

00:31

So... let's... go.

00:31

"six more than"

00:33

Translation?

00:34

"six plus"

00:36

Now, they don't say "the quantity of" next but we can infer.

00:43

"seven times a number" -- so ... glance at the question set and they throw you a curve ball...

00:49

...one of the answers has x as a variable; the others are all y...

00:54

...yet the problem only asks about y... so it's pretty safe to cross out c as a possibility...

01:00

because there ain't no x in this problem.

01:02

So we have the 7 times a number as 7y.

01:06

And then "is equal to 73" is just written as equals 73

01:11

Put it all together and we have 6 + 7y = 73

01:16

Flip the order of the first two terms...

01:17

...and it looks like our answer is D. Done. And there ain't no more to do.

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