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Intermediate Algebra Videos 25 videos
ACT Math Intermediate Algebra Drill 1, Problem 3. Can you find the value of a in this expression?
ACT Math Intermediate Algebra Drill 1, Problem 5. Can you simplify the expression?
ACT Math Intermediate Algebra Drill 2, Problem 1. Solve the equation.
ACT Math 3.2 Intermediate Algebra 320 Views
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Description:
ACT Math: Intermediate Algebra Drill 3, Problem 2. Find the sixth number in the series.
Transcript
- 00:02
And we're gettin' shmoopy with it...
- 00:05
Find the 6th number: 1, 3, 9, 27, something, something.
- 00:12
And here are the potential answers...
- 00:15
OK so what is this question asking?
- 00:18
Another geometric pattern; each number is simply 3 times the previous number in the sequence.
Full Transcript
- 00:27
But note, they are trying to be sneaky here.
- 00:30
They don't want the next number in the sequence they want the SIXTH one. So we need to find
- 00:35
the next TWO
- 00:36
We have 27 times 3 which gets us 81
- 00:39
then multiply 3 again to get the 6th number in the series, which is 243.
- 00:44
Answer: E.
- 00:46
Nice try, math problem.
- 00:47
You have to get up a little earlier in the morning to pull the wool over OUR eyes.
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