Conversion/Proportions
Data
Evaluate Functions
Equations
Linear Topics
100
What is 23% of 100?
A) 23
B) 46
C) 77
D) 123
A) 23
100
6, 6, 8, 8, 8, 10, 21
Which of the following lists represents a data set that has the same median as the data set shown?
A) 4, 6, 6, 6, 8, 8
B) 6, 6, 8, 8, 10, 10
C) 6, 8, 10, 10, 10, 12
D) 8, 8, 10, 10, 21, 21
B) 6, 6, 8, 8, 10, 10
100
If x = 40, what is the value of x + 6?
A) 34
B) 40
C) 46
D) 64
C) 46
100
If 2x = 12, what is the value of 9x ?
54
Dividing both sides of the given equation by 2 yields x=6. Multiplying both sides of the equation by 9 yields 9x=54.
100
For the function f, the graph of y= f(x) in the xy-plane has a slope of 3 and passes through the point (0, -8). Which equation defines f?
A) f(x) = 3x
B) f(x) = 3x -8
C) f(x) = 3x + 5
D) f(x) = 3x + 11
B) f(x) = 3x -8
200
How many teaspoons are equivalent to 44 tablespoons? (3 teaspoons = 1 tablespoon)
A) 47
B) 88
C) 132
D) 176
C) 132
200
Based on a random sample from a population, a researcher estimated that the mean value of a certain variable for the population is 20.5, with an associated margin of error of 1. Which of the following is the most appropriate conclusion?
A) It is plausible that the actual mean value of the variable for the population is between 19.5-21.5.
B) It is not possible that the mean value of the variable for the population is less than 19.5 or greater than 21.5.
C) Every value of the variable in the population is between 19.5 and 21.5.
A) It is plausible that the actual mean value of the variable for the population is between 19.5-21.5.
200
The function f is defined by
f(x) = 1/(6x)
What is the value of f(x) when x = 3?
A) 1/3
B) 1/6
C) 1/9
D) 1/18
D) 1/18
200
(-54)/w =6
What is the solution to the given equation?
-9
-54 = 6w
(-54)/6 = w
200
The y-intercept of the graph of
12x + 2y = 18
in the xy-plane is (0, y). What is the value of y?
9
12(0) + 2y = 18
Dividing both sides of this equation by 2 yields y=9.
300
A cherry pitting machine pits 12 pounds of cherries in 3 minutes. At this rate, how many minutes does it take the machine to pit 96 pounds of cherries?
A) 8
B) 15
C) 24
D) 36
C) 24
300
The box plot summarizes 15 data values. What is the median of this data set?
A) 2
B) 3
C) 5
D) 8
C) 5
300
The function h is defined by
h(x) = 3x - 7
What is the value of
h(-2)?
A) -13
B) -10
C) 10
D) 13
A) -13
300
The equation 40x + 20y = 160 represents the number of sweaters, x, and number of shirts, y, that Yesenia purchased for $160. If Yesenia purchased 2 sweaters, how many shirts did she purchase?
A) 3
B) 4
C) 8
D) 40
B) 4
300
For a camping trip a group bought x one-liter bottles of water and y three-liter bottles of water, for a total of 240 liters of water. Which equation represents this situation?
A) x + 3y = 240
B) x + y = 240
C) 3x + 3y = 240
D) 3x + y = 240
A) x + 3y = 240
400
The population density of Cedar County is 230 people per square mile. The county has a population of 85,100 people. What is the area, in square miles, of Cedar County?
370
85,100 xx 1/230
400
The table shows the frequency of values in a data set.
What is the minimum value of the data set?
19
The value of 19 occurs 7 times, the value of 21 occurs 1 time, the value of 23 occurs 7 times, and the value 25 occurs 4 times. Therefore, the values of 19, 21, 23, and 25 given in the data set, the minimum value of the data set is 19.
400
y=-4x+40
Which table gives three values of x and their corresponding values of y for the given equation?
C)
400
The triangle shown has a perimeter of 22 units. If x = 9 units and y = 7 units, what is the value of z, in units?
A) 6
B) 7
C) 9
D) 16
A) 6
400
A model predicts that a certain animal weighed 241 pounds when it was born and that the animal gained 3 pounds per day in its first year of life. This model is defined by an equation in the form
f(x) = a + bx
where f(x) is the predicted weight, in pounds, of the animal x days after it was born, and a and b are constants. What is the value of a?
241
500
A triangular prism has a height of 8 centimeters (cm) and a volume of 216 cm3. What is the area, in cm2, of the base of the prism? (The volume of a triangular prism is equal to Bh, where B is the area of the base and h is the height of the prism).
27
Volume = 216 cm3.
Bh = 216. & h = 8.
216 =B(8)
500
The scatterplot shows the relationship between two variables x and y. A line of best fit for the data is also shown.
At x=32, which of the following is closest to the y-value predicted by the line of best fit?
A) 0.4
B) 1.5
C) 2.4
D) 3.3
C) 2.4
500
f(x)=x+7
and
g(x)=7x
what is the value of
4f(2)-g(2)
A) -5
B) 1
C) 22
D) 28
C) 22
500
7m = 5(n+P)
The given equation relates the positive numbers m, n, and p. Which equation correctly gives n in terms of m and p?
A)
n= (5p)/(7m)
B)
n= (7m)/(5)-p
C)
n= 5(7m) + p
D)
n=7m-5-p
B)
n=(7m)/5 -p
500
The graph of the function f, where y=f(x), models the total cost y, in dollars, for a certain video game system and x games. What is the best interpretation of the slope of the graph in this context?
A) Each game costs $25.
B) The video game system costs $100.
C) The video game system costs $25.
D) Each game costs $100.
A) Each game costs $25.