ShmoopTube

Where Monty Python meets your 10th grade teacher.

Search Thousands of Shmoop Videos

ACT Math 3.5 Elementary Algebra 242 Views


Share It!


Description:

ACT Math: Elementary Algebra Drill 3.5. Simplify the expression.

Language:
English Language

Transcript

00:03

Here's your shmoop du jour:

00:05

Simplify: a cubed times b to the fourth over a squared times b squared.

00:09

And here are the potential answers...

00:14

OK. It's about division of exponents: do we realize we can subtract?

00:19

So with a cubed over a squared, we can subtract 3 minus 2 and the a in the denominator just

00:24

goes away.

00:26

So we just have a in the numerator.

00:28

Now let's deal with b.

00:29

b to the 4th can subtract b squared and we have b squared remaining in the numerator.

00:36

So the whole problem simplifies to a times b squared.

00:39

Answer: A.

Up Next

ACT Math 3.1 Plane Geometry
2558 Views

ACT Math: Plane Geometry Drill 3, Problem 1. What is the area of the trapezoid shape in the video?

Related Videos

Inequalities in Number Lines
3224 Views

ACT Math: Coordinate Geometry Drill 1, Problem 1. Which inequality is expressed by the number line?

ACT Math 3.1 Intermediate Algebra
1954 Views

ACT Math: Intermediate Algebra: Drill 3, Problem 1. Find the fifth number in the series.

Simplifying Radicals
9737 Views

We don't like knocking people down to size, but we do like simplifying radicals. Join us?

Arithmetic Math
2248 Views

If fleeing criminals always fled the scene of the crime at perfect right angles, it would be much easier to determine their whereabouts. Fortunatel...