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Algebra and Functions Videos 140 videos

SAT Math 1.2 Algebra and Functions
359 Views

SAT Math: Algebra and Functions Drill 1, Problem 2. Based on the data in the table, what is the maximum heart rate for the average 22-year-old?

SAT Math 1.3 Algebra and Functions
220 Views

SAT Math 1.3 Algebra and Functions. How many 16 oz. bottles did she buy?

SAT Math 1.4 Algebra and Functions
207 Views

SAT Math 1.4 Algebra and Functions. Solve for x.

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SAT Math 6.4 Algebra and Functions 486 Views


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Description:

SAT Math 6.4 Algebra and Functions

Language:
English Language

Transcript

00:02

Here's your shmoop du jour...

00:04

A to the power of x + y times a to the power of x - y equals... what?

00:12

And here are the potential answers...

00:16

So this is just a SUPER simple question about exponent rules.

00:23

We are multiplying two exponents with the same base...

00:27

which means we can just ADD our exponents.

00:29

Now if you didn't know that, oh are you screwed.

00:33

X + y + x - y equals... 2x.

00:38

So we have a to the power of 2x.

00:40

And... our answer's C.

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