Number Sense
What does an absolute value sign do?
Make any negative value positive
Which word means: an equation showing that two ratios are equivalent.
Proportion
What is the word for: terms that have the same variables and the same exponents.
Like Terms
What is the word for: a letter that represents a number.
Variable
What is the name for: a triangle that contains one angle with a measure greater than 90º
Obtuse Triangle
What do you get when you multiply a negative and positive number?
Negative
What is 2/10 as a reduced fraction?
1/5
Combine like terms:
x + 3x
4x
How many different variables are in this equation?
2x + 3y + 4z = 0
3 (x, y, z)
What is the word for: two angles that add up to 90°
Complementary Angles
Numbers of the same value but of opposite signs combine to get what?
Zero
What is 2/5 as a percent?
40%
When using the distributive property, you need to __________ the two terms together. (add, subtract, multiply, or divide)
Multiply
What value of x would make this equation true?
2x + 1 = 11
x = 5
There are two angles that are complementary. If one is 65° , then the other must be _____.
25°
50 - 120 = ?
-70
If the two fractions are proportional, what is the missing value of x?
2/3 = x/9
6
Simplify using the distributive property:
2(x+1)
2x+2
If x = 2, what is the answer?
5(3x + 1) = ___
35
There is a right triangle with a 90° and 30° angle. What is the missing angle?
60°
0 - 60 + 25 = ?
-35
How many miles per hour is Johnny travelling if he goes 180 miles in 3 hours?
60 mph
Simplify using the distributive property and combining like terms:
x + 3(x + 4)
4x + 12
What is the value of x?
9x - 5 = 49
What is the volume of a cube that measures 3 feet long, 2 feet wide, and 4 feet tall? (include units)
24 ft3