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ACT Math 2.2 Intermediate Algebra 470 Views


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Description:

ACT Math Intermediate Algebra Drill 2, Problem 2. How else can the expression be written?

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English Language

Transcript

00:02

And here is another shmoop de jour.

00:04

The square root of 5 plus 1... all over the square root of 5... can also be written as... what?

00:12

And here are the potential answers...

00:17

Okay. If 5 over 5 is the same as one, isn't the square root of 5 over the square root

00:22

of 5... also 1?

00:25

If so, then we have square root of 5 times the quantity square root of 5 plus 1 over

00:30

square root of 5 times square root of 5 which is... 5.

00:34

When we multiply, we have another square root of 5 times square root of 5 up here... then

00:39

1 times square root of 5 is just square root of 5... all over 5.

00:42

Answer: B.

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