Vocabulary
A ratio that compares two quantities with different units.
Rate
Convert 5/16 to a decimal.
0.3125
Write the ratio of 540 students to 1000 desks in simplest form.
27/50
Evaluate: -4 - -6
2
Solve: x -17 = -9
x = 8
The point where the x-axis and y-axis intersect.
Origin
Evaluate: 3 3/4 - 1 5/6
1 11/12 or 23/12
Determine whether the ratios 14:21 and 20:30 are equivalent.
Yes
Evaluate: -18 + 25 - 7
Solve: -5x = 20
x = -4
A number that can be made into a fraction
Rational number
Multiply and simplify: (7/9) x (3 3/7)
Find 37.5% of 64. (make 37.5% a decimal, then multiply it to 64)
24
What quadrant is the point (-4, -6) in?
Quadrant III
Solve: x/4 - 6 = 3
x = 36
The operation used to find the distance between a numbers and zero on a number line.
Absolute value
Divide and simplify: 4 1/2 divided by 3/8
12
A store increases a price by 20%, then decreases the new price by 20%. Is the final price the same as the original?
No
Find the vertical distance between the points (2, -5) and (2, 7).
12
Solve: 7 - 3x = -20
x = 9
A fraction written as a whole number and a proper fraction.
Mixed number
3/8 + 4/5. Write your answer as a decimal
1.175
A recipe uses a ratio of 4 cups flour to 7 cups sugar. If 140 cups of sugar are used, how much flour is needed?
80 cups
A point is reflected across the y-axis and then the x-axis. If the final point is (-6, -4), what was the original point?
(6,4)
Write the equation: A number is multiplied by 6, then 14 is subtracted. The result is -2.
6x - 14 = -2