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Algebra and Functions Videos 30 videos
Algebra and Functions: Drill Set 4, Problem 1. Which of the graphs fits the equation?
Algebra and Functions: Drill 4, problem 2. If the function for the area of a circle with respect to its diameter was graphed in the first quad...
Algebra and Functions: Drill 4, Problem 3. The sum of the quadratic parent function and the line given has which of the following as its graph?
CAHSEE Math 1.2 Algebra and Functions 760 Views
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Description:
CAHSEE Math Algebra and Functions: Drill Set 1, Problem 2. Which of the following represents the statement?
Transcript
- 00:03
And here's your shmoop du jour.
- 00:07
Which of the following represents the statement,
- 00:09
"six more than seven times a number, y, is equal to 73"?
- 00:13
Here are the potential answers...
- 00:16
And spoiler alert, hit pause. Try it yourself.
Full Transcript
- 00:21
Ok, the evil wizards are testing our technical math-vocabulary skills.
- 00:27
We just have to read the question carefully, and we'll get to the promised land.
- 00:31
So... let's... go.
- 00:31
"six more than"
- 00:33
Translation?
- 00:34
"six plus"
- 00:36
Now, they don't say "the quantity of" next but we can infer.
- 00:43
"seven times a number" -- so ... glance at the question set and they throw you a curve ball...
- 00:49
...one of the answers has x as a variable; the others are all y...
- 00:54
...yet the problem only asks about y... so it's pretty safe to cross out c as a possibility...
- 01:00
because there ain't no x in this problem.
- 01:02
So we have the 7 times a number as 7y.
- 01:06
And then "is equal to 73" is just written as equals 73
- 01:11
Put it all together and we have 6 + 7y = 73
- 01:16
Flip the order of the first two terms...
- 01:17
...and it looks like our answer is D. Done. And there ain't no more to do.
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