Rationals
What is the value of the expression -7 + 12?
5
What integer makes the following statement true?
14 = ____ +6
8
x - 9 = 17
26
A car travels 150 miles in 3 hours, at a constant rate of speed. What is the unit rate in miles per hour?
50 mph
Which quadrant of the coordinate plane is the point (-4, 6)?
2nd
Evaluate the expression -3 x 4
-12
A) 3+4 = 7+2 = 9. B) 5 x 2 = 10 + 2
C) 7+5 = 10+2 D) 8-3 = 5 = 2+4
C
4x + 7 =31
x = 6
Solve the proportion
5/8 = x/24
x = 15
What is the slope of the line passing through (2, 3) and (6, 11)
2
What is the value of the expression -8 - (-5) + 3 x (-2)
-9
If 24 - x = 9+6, what is the value of x?
9
7x - 5 = 3x + 11
x = 4
4 pounds of tomatoes cost $12.80, how much would 7 pounds cost at the same proportional rate?
$22.40
What is the equation of the line with slope -3 that passes through the point (0, 5)
y = -3x +5
Calculate the value of |-6.5 +2.3|-3/4
-4.95 or
4 19/20
Which equation is structurally equivalent to 3x - 7 = 14, based on maintaining balance across the equal sign?
A) 3x = 7 B) 3x = 21
C) x-7 = 42 D) 3x - 14 = 7
A
3(2x - 4) - 2 = 2(x + 5)
x = 6
Brand A sells 16 ounces of cereal for $4.20, and Brand B sells 24 ounces of the same cereal for $5.76. Which brand has the better unit price and what is it?
Brand B at 0.24
What is the distance between the points (1, 2) and (4, 6)?
5 units
-3/4÷(1/2-5/6)+|-5|^2
109/4 or 27 1/2 or 27.5
I 5A -3B = 10 and B = 2A, what is the value of A?
-10
3/4x - 2 = 1/2x+3
x = 20
On a map, 1.5 inches represents 40 miles. If 2 cities are 5.25 inches apart on the map, what is the actual distance between them?
140 miles
What is the equation of the line that passes through the point (4, 2) and is perpendicular the the line
2/3x+1
y=
-3/2x+8