EXPRESSIONS & EQUATIONS
What is 3(x + 4)?
3x + 12
Ratio of 4 apples to 2 oranges?
2:1
Area formula?
L × W
Absolute value of -7?
7
Mean of 2,4,6?
4
(2,3) means?
x=2, y=3
Solve: x + 5 = 12
x = 7
Unit rate: 12 miles in 3 hours?
4 mph
Area of 5 × 8?
40
Which is greater: -3 or -5?
-3
Median of 1,3,5?
3
Table rule: y = 3x + 1, what is y when x = 4?
13
What is 2x + 3 when x = 4?
11
If 1 notebook = $2, 5 notebooks cost?
$10
Perimeter of 4 × 6 rectangle?
20
-2 + 5?
3
Mode of 2,2,3,4?
2
If y doubles x, what is the rule?
y = 2x
Solve: 4x = 20
x = 5
Better deal: $10 for 5 or $12 for 8?
$12 for 8
Area of triangle formula?
1/2bh
-4 × 3?
-12
Range of 2,8,10?
8
Table rule: x+2, what is y if x=3?
5
Write an equivalent expression: 5(2x + 1)?
What property do we use?
10x + 5
6:3 simplified?
2:1
Volume formula?
l × w × h
Order from least to greatest: -2, 5, -7
-7, -2, 5
Outlier in 2, 3, 4, 20?
20
If y is always 3 more than x, what is the rule?
y = x + 3