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ACT Math: Pre-Algebra Drill 5, Problem 2. If a and b are prime numbers, how many factors does ab have?
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CAHSEE Math 1.1 Statistics, Data, and Probability II 191 Views
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Description:
CAHSEE Math Statistics, Data, and Probability II: Drill 1 Problem 1. Which of the following tables best represents the relationship between the values of x and y in the equation y = 2x - 1?
Transcript
- 00:03
Here's an unshmoopy question you'll find on an exam somewhere in life...
- 00:06
Which of the following tables best represents the relationship between the values of x and y in
- 00:12
the equation y = 2x - 1? And here are the potential answers...
- 00:20
This question is a kind of an 'efficiency test'...
- 00:22
...in that we just have to try some numbers and see what works.
Full Transcript
- 00:32
Sorta how Congress spends money. Minus the "working" part.
- 00:38
If x equals 1 then y equals 1 as well -- so just look for any other equation where we
- 00:43
have 1 listed for both x and y.
- 00:46
Nope... nope... nope... The only answer that fits is D, so that's our answer.
- 00:53
D, as in, "Don't you just love congress?"
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