Integer Operations
-1 + 1=
0
2x + 5 = 11
x = 3
0.5 -8 1/2
-8
If a recipe calls for 2 cups of flour for every 3 cups of milk, how many cups of flour are needed for 9 cups of milk?
a. 4 cups
b. 6 cups
c. 8 cups
d. 12 cups
b. 6 cups
Which of the following best describes a function?
a. A mathematical operation that can have multiple outputs for one input
b. A mathematical relationship where each input has exactly one output
c. A group of numbers added together
d. A series of random numbers with no relationship
b
11 + (-4)=
7
3x - 8 = 10
x = 6
What is a variable?
A letter that stands for a number
A map has a scale of 1inch = 50 miles. If two cities are 4 inches apart on the map, what is their actual distance?
a. 100 miles
b. 150 miles
c. 200 miles
d. 250 miles
c. 200
Which of the following sets of ordered pairs, IS a function?
a. (3,2), (5,6), (3, 4), (2,1)
b. (4,5), (5, 8), (4, 4), (6, 8)
c. (3,1), (4, 2), (8, 1), (6, 8)
c
-13 + (-5)
-18
3(x+5)= 18
x = 1
Identify the unit rate:
3 tickets for 2 prizes
36 miles per hour
1:3
36 miles per hour
In a bag of marbles, the ratio of red to blue marbles is 2:5. If there are 14 red marbles, how many blue marbles are there?
a. 28 marbles
b. 35 marbles
c. 20 marbles
d. 25 marbles
b. 35
Mrs. DeGrave took an Uber to a concert. To ride the Uber there is a fee of $5 and $2 per mile (x).
Write an equation that represent the total cost (y) of the Uber ride.
y=5 + 2x
6 - (-5)=
11
7n + 2 = 4n + 17
n = 5
Angles that have a sum of 180 degrees are called:
a) Supplementary
b) Complementary
c) Vertical
a. Supplementary
If 12 oranges cost $3.60, how much would 5 oranges cost?
a. $2.25
b. $1.50
c. $1.75
d. $2.00
b. $1.50
Kayden earned $25 for washing his mom car. He earns an additional $5 per chore he performs. If Kayden washes the car and does 4 extra chores, how much money will he make?
$45
-10
Simplify:
-5(1-6x)+15
30x + 10
If two fractions are proportional, they have the same ___________.
Value
In a class, the ratio of boys to girls is 5:3. If there are 24 students in total, how many boys are there?
a. 8 boys
b. 15 boys
c. 9 boys
d. 12 boys
b. 15
Identify the four different types of slope.
Positive
Negative
Zero
Undefined