ShmoopTube
Where Monty Python meets your 10th grade teacher.
Search Thousands of Shmoop Videos
Square Roots Videos 13 videos
GED Math 1.3 Rational Numbers. Which answer best fills in the blank?
GED Math: Rational Numbers Drill 3, Problem 4. What is the product?
CAHSEE Math 5.5 Number Sense 206 Views
Share It!
Description:
Number Sense: Drill Set 5, Problem 5. Between which two integers does the square root of 80 lie?
Transcript
- 00:03
Here's your shmoop du jour...
- 00:06
Between which two integers does the square root of 80 lie?
- 00:10
Okay here are the potential answers...
- 00:13
Before we spoil the ending and kill all the drama... why not hit pause and try to resolve it yourself first?
- 00:21
So... this is kind of a forcibly brute-forced problem.
Full Transcript
- 00:25
In other words, there isn't some magic formula we can use to solve this puppy.
- 00:29
What we do know is that there are perfect squares in and around 80 that'll make life easier.
- 00:35
That is... we know that 8 squared is 64 and that 9 squared is 81.
- 00:40
HOW do we know that?
- 00:41
Well, all those years we spent working on our multiplication tables are really paying off now.
- 00:47
And that's... it.
- 00:48
Just glance the answers, and select choice B. Done.
Related Videos
CAHSEE Math: Algebra and Functions Drill 5, Problem 3. Solve the equation.
