Review #1
Which expression is equivalent to 9 + y + y + 3?
A. 9y + 3y
B. 12 + 2y
C. 9y^2 + 3
D. 12 + y^2
B. 12 + 2y
Which value of k makes the inequality 11 + 2k > 19 true?
A. 0
B. 2
C. 4
D. 6
6
In which quadrant of the coordinate plane is the point (-4, 1) located?
Quadrant II
The table below shows the elevations of different locations in California:
Location Elevation (in meters)
Bombay Beach -68
Georgetown -2
Red Rock 53
Sand Island 13
Laguna Salada -10
Which location has the lowest elevation?
Bombay Beach
Jabari used b blocks to build a bridge. Anna used 6 more than 3 times as many blocks as Jabari did to build a bridge. Which expression represents how many blocks Anna used?
A. 3b + 6
B. 3(b + 6)
C. b + 3 + 6
D. b + (3 x 6)
A. 3b + 6
Aaron surveyed a group of students about the number of pets they own. He recorded the data in the dot plot below (create dot pot).
0-3
1-5
2-2
3-4
4-1
5-2
6-1
7-0
How many students did Aaron survey?
18 students were surveyed
Mr. Lopez has 238 silver coins in his coin collection. The actual weight of the real silver in each coin is 0.85 ounce. How many ounces of real silver does Mr. Lopez have in his coin collection?
202.3 ounces
Marcus used the net of the square pyramid below to make a gift box out of cardboard. (See net square pyramid)
How much cardboard did he use to make the box?
279 cm^2
A rectangular prism measures 6 1/3 meters long and 3 meters wide. If the volume of the prism is 90 1/4 cubic meters, what is the height of the prism?
4 3/4 meters
What is the are of the trapezoid?
b1=10, b2=15, h=8
100 ft^2
The temperature on Skylar's thermometer lats night was -3 degrees Fahrenheit. This morning it was colder. What could be the temperature on her thermometer this morning?
A. -5 degrees Fahrenheit
B. -1 degrees Fahrenheit
C. 0 degrees Fahrenheit
D. 2 degrees Fahrenheit
A. -5 degrees Fahrenheit
An architect created four different designs for a theatre's seating as shown in the table below:
Design Number of Rows Number of Seats
A 14 196
B 20 220
C 18 234
D 25 300
If the length of each row is the same in each design, which design has the greatest ratio of the number of seats per row?
A
mLexi is hiking a trail that is 7.5 miles long. She stops to take a break after hiking 3.8 miles of the trail. Which equation can be used to find how many miles, m, Lexi has left to hike?
A. m - 3.8 = 7.5
B. 3.8 + m = 7.5
C. m - 7.5 = 3.8
D. 7.5 + 3.8 = m
B. 3.8 + m = 7.5
Which of the following is a statistical question?
A. What percentage of Earth's core is made up of iron?
B. How many times larger is the sun than the Earth?
C. Which planet in our solar system is the farthest from Earth?
D. How many meteors enter Earth's atmosphere a day?
D. How many meteors enter Earth's atmosphere a day?
The formula P = 2l + 2w can be used to find the perimeter of a rectangle where l is the length and w is the width. What is the perimeter of a rectangle picture frame when l = 12 in. and w = 9 in.?
42 in.
A baker made 260 cupcakes last week. Of all the cupcakes made, 55% were chocolate. How many of the cupcakes were chocolate?
143 cupcakes were chocolate
The number line below shows the the number of days Amaya spends practicing guitar every week. (see number line)
Which inequality BEST represents the number of days, d, she practices?
A. d<_ 5
B. d>_ 5
C. d<5
D. d>5
C. d < 5
The line plot below shows the age of each camper at Camp Sunshine (Make line plot)
Age
10-3 kids
11-5 kids
12-2 kids
13-4 kids
14-0 kids
15-1 kid
16-6 kids
17-0 kids
18-2 kids
19-0 kids
20-0 kids
Which statement BEST summarizes the distribution of the data?
A. There is a gap in the data after age 18
B. The data is symmetrical around age 15
C. The data are clustered from ages 10 to 18
D. There are peaks in the data at ages 11 and 16
D. There are peaks in the data at ages 11 and 16
A giraffe measures 17 feet tall. A gorilla measures 63 inches tall. How many feet taller is the giraffe than the gorilla?
11 3/4 feet
Kristina paid $9.15 for 5 pounds of pears. She said $5.28 for 3 pounds of grapes. Which was the better buy?
A. The pears because they cost $0.77 less per pound
B. The pears because they cost $0.20 less per pound
C. The grapes because they cost $0.48 less per pound
D. The grapes because they cost $0.07 less per pound
D. The grapes because they cost $0.07 less per pound
Lamont is planning to build a pen for his chickens in the shape of a right trapezoid. He plots three vertices of the pen on the graph below (graph plots)
(-2, 4), (2, 4), (5,0)
What are the coordinates of the fourth vertex of Lamont's chicken pen?
A. (-5, 0)
B. (-2, 0)
C. (1, 0)
D. (5, 4)
(-2, 0)
The list below shows the amount of money Hannah earned mowing lawns for the past 5 weeks.
$40, $15, $20, $40, $35
Which measure shows that the amount of money she earned varied?
A. mean
B. median
C. mode
D. range
D. range
A scientist studies a pond and finds that i has 18 fish and 24 turtles. What is the ratio of turtles to fish in the pond?
A. 4:3
B. 3:4
C. 7:4
D. 4:7
A. 4:3
The side of a triangle is drawn from (-7, 11) to (-7, -6) on a coordinate plane. What is the length of the side of the triangle in units?
17
Connor collected the following data on the number of pencils his classmates have in their backpacks.
5, 1, 3, 9, 2, 2, 0, 10, 7
Which measure of central tendency BEST represents the number of pencils his classmates have in their backpacks?
A. mean
B. median
C. mode
D. range
B. median