Integers/Expressions
-6 + -7 - 4 + 17
0
2x + 5 = 23
x = 9
Maya earns $96 for 6 hours of working at Dunkin'. What does she earn per hour?
$16 per hour
What is 2/5 as a percent?
40%
Complementary angles add up to what?
90 degrees
(3 - 7) + (-4 - 6)
-14
-7x - 10 = 4
x = -2
What is the constant of proportionality of this equation:
y = 25x
k = 25
455
Supplementary angles add up to what?
180 degrees
7a + 5b + 12 - 2a + 8b - 10
5a + 13b + 2
2(x - 6) = -20
x = -3
Which is the better buy?
Sal's Pizza - $16.95 for 12 slices
Papa Gino's - $12.34 for 8 slices
Sal's Pizza
Your dinner was $35 and you want to leave a 15% tip. How much is you meal plus the tip, in dollars and cents?
$40.25
What is the probability of rolling a 6 sided dice and getting a 5 or 6?
2/6 or 1/3
Simplify the expression:
-5(3x - 10)
-15x + 50
9x + 13 > -32
x > -5
How can you tell if a graph represents a proportional relationship?
1. Straight line
2. Contains the point (0,0)
$24.00
Find the mean:
12, 4, 9, 8, 5, 4, 10, 6
6.5
Simplify the expression:
3(x + 7) - 4(2x - 5)
-5x + 41
-10x - 15 < 45
x > -6
John uses 1/2 cup of red paint and 3/4 cub of blue paint to make purple paint. How much red paint does he need for one cup of blue paint?
4/6 or 2/3
It was estimated that 250 people were going to attend the concert but 275 actually showed up. Find the percent error.
9% error
Find the median:
12, 4, 9, 8, 5, 4, 10, 6
7