Math Vocab
What is the distance a number is from zero on the number line?
Absolute Value
-4x-2=2x-2+(x+100)/4
-4
What percent of 32 is 40?
125%
2 qt/min = _____ gal/s
1/120 gal per second
If you are filling a swimming pool with water, what will you be solving for to find the amount of water in the pool?
Volume
What must be broken before it can be used?
An egg
A glowstick
160% of what number is 200?
125
75 cents/h = ________ dollars/day
$18/day
What is the name for these mathematical symbols?
> and <
Inequalities
(x-4)/6=5/4
11.5
You have two U.S. coins whose total value is $0.30. One of them is not a nickel ($0.05). What are the two coins?
One is a quarter and one is a nickel.
A beauty salon buys bottle of styling gel for $4.50 per bottle and marks up the price by 40%. For what price does the salon sell each bottle?
$6.30
60ft/s = ______ km/h
Round to the nearest tenth
about 65.9 km per h
A trapezoid has 2 sets of parallel sides. True or False
False
What is the maximum number of times you can subtract number 5 from 25?
Only once.
After you subtract 5 the first time, it becomes the number 20, and then 15, and so on.
An employee was hired at a wage of $8 per hour. After a raise, the employee earned $8.75 per hour. What was the percent increase? Round to the nearest percent if necessary.
about 9%
Solve the proportion.
w2 + 3 = w
_____ __
2w+2 2
3
What type of equation, when solved, has a solution "infinitely many solutions"?
identity
2(5-2x)=-5(x-5)
x=15
What number goes up and doesn't come back down?
Your age
You estimate that your friend's brother is about 8 years old. He is actually 6.5 years old. Find the percent error. Round to the nearest percent.
about 23%
Solve the proportion.
5x = 5
_____ ____
x3+5 x2-7
-5/7