ShmoopTube
Where Monty Python meets your 10th grade teacher.
Search Thousands of Shmoop Videos
ACT Math Videos 164 videos
ACT Math: Trigonometry Drill 1, Problem 1. What is the length of y?
ACT Math: Coordinate Geometry Drill 1, Problem 2. Solve the inequality and determine which solution is shown on the number line.
ACT Math 2.2 Intermediate Algebra 471 Views
Share It!
Description:
ACT Math Intermediate Algebra Drill 2, Problem 2. How else can the expression be written?
- Intermediate Algebra / Radical and rational expressions
- Product Type / ACT Math
- Foreign Language / Arabic Subtitled
- Foreign Language / Korean Subtitled
- Foreign Language / Spanish Subtitled
- Foreign Language / Chinese Subtitled
- Number and Quantity / Use properties of rational and irrational numbers
- Number and Quantity / Use properties of rational and irrational numbers
- Intermediate Algebra / Rational, radical, and logarithmic expressions
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?
Full Transcript
- 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.
Related Videos
ACT Math: Coordinate Geometry Drill 1, Problem 1. Which inequality is expressed by the number line?
ACT Math: Intermediate Algebra: Drill 3, Problem 1. Find the fifth number in the series.
ACT Math: Plane Geometry Drill 3, Problem 1. What is the area of the trapezoid shape in the video?
We don't like knocking people down to size, but we do like simplifying radicals. Join us?
If fleeing criminals always fled the scene of the crime at perfect right angles, it would be much easier to determine their whereabouts. Fortunatel...