Number Sense
Functions
Probability
Polynomials & Percents
Random
100
2(3+2)^2-(-1)^2
49
100
A rare painting was purchased for an art museum. This function models the projected value of the painting x years after its purchase.
f(x) = 10,500(1.015)^x
Based on the function, which of the following statements is true?
A) The painting’s value is decreasing.
B) The painting’s value at the time of its purchase was $10,500.
C) The painting’s value is projected to increase by 15% per year.
D) The painting’s value after 15 years will be twice its purchase price.
B) The painting’s value at the time of its purchase was $10,500.
100
Denise has 5 blue pencils and 3 green pencils in a drawer. Denise took a blue pencil from the drawer and gave it to a friend. If she takes a second pencil from the drawer at random, what is the probability that the pencil she takes will be green?
A) 1/2 B) 3/7 C) 3/8 D) 1/3
What is B) 3/7?
100
A magazine had 4000 subscribers at the end of the year 2004. The number of subscribers increased by 10% each year as compared with the previous year. Which of the following is closest to the number of subscribers at the end of the year 2007? A) 4330 B) 4400 C) 5200 D) 5320
D) 5320
100
Point P(6,7) is plotted on the coordinate grid. Point P is rotated 180 degrees clockwise about the origin. What are the coordinates of the image of point P after this rotation?
A) (7, 6) B) (-6, -7) C) (-7, -6) D) (-6, 7)
B) (-6, -7)
200
|-3-8|-|5-(-2)|
4
200
A
200
This table shows the number of desks of different colors and sizes in an office building. Based on the table, what is the probability that a randomly chosen desk in the building is brown?
A) 1/12 B) 1/4 C) 1/3 D) 1/2
C) 1/3
200
Which of the following is equivalent to the expression below? x^2 + 3x - 28
A) (x-4)(x+7) B) (x+4)(x-7)
C) (x-14)(x+2) D) (x+14)(x-2)
A) (x-4)(x+7)
200
This equation represents the ideal gas law, where T is the temperature: PV=nRT
Which equation has been correctly rearranged to solve for T?
A) T=nR-PV B) T=PV-nR C) T=nR/PV D) T=PV/nR
D) T=PV/nR
300
5|4-6|-(-3)
13
300
D
300
Kelsey placed 5 CD's into her CD player. There are 12 songs on each CD. Kelsey set her CD player to select songs in a random order. What is the probability that the first song the CD player selects will be the 4th song on the 3rd CD?
1/60
300
Jon wants to buy a tool set that is on sale at a hardware store. The price of each tool set will be decreased by 8% each morning just before the store opens. The sale will last for 7 days, or until all the sets are sold. After the first reduction on Monday, the price of each set was $135. If Jon wants to wait until the first day that the price is $100 or less, on which day should he buy his tool set?
A) Wednesday B) Thursday C) Friday D) Saturday
C) Friday
300
Albert drew the line y =-1/2x+5 on a coordinate plane. On the same coordinate plane, Penny drew a line that is perpendicular to Albert’s line and passes through the point (−4, 3). Which of the following equations represents Penny’s line?
A) y=2x+5 B) y=2x+11 C) y=-2x-5 D) y=-2x-11
B) y=2x+11
400
Which of the following is closest to the cube root of 150? A) 5 B) 12 C) 15 D) 50
A) 5
400
The function below models the height of a ball, in feet, that has been kicked in the air after t seconds.
h(t)=-20t^2+60t
What is h(2)? Explain your answer in terms of the context of the problem.
The ball was 40 feet off the ground after 2 seconds.
400
Janessa will arrive at Leah's house at a time between 2 pm and 4 pm this afternoon. At 2 pm, Leah will begin to watch a two-hour television program. There are 15 minutes of commercials scheduled to be shown during each hour of the program. Assuming that Janessa's arrival time at Leah's house will be random, what is the probability that Janessa will arrive during a commercial?
1/4
400
Simplify the expression below:
(3x^2 + 2x - 8) - (2x^2 - 4x + 7)
x^2 + 6x - 15
400
The circumference of Makayla's circular flower garden is 75 feet. Which of the following is closest to the diameter of her flower garden?
A) 24 feet B) 12 feet C) 10 feet D) 5 feet
A) 24 feet
500
What is the value of the square root of 50 to the nearest whole number? NO CALCULATOR
7
500
Find the vertex of the function
f(x)=x^2-2x+3
(1, 2)
500
The probability of randomly selecting a blue tile from a bag of tiles is 2/7. There are 12 blue tiles in the bag. What is the total number of tiles in the bag?
42
500
A rectangle's area, A, is given by the equation A = x^2 + x - 6. Which of the following could represent b, the length of the base of the rectangle, and h, the height of the rectangle?
A) b = (x-3); h=(x-2) B) b = (x-3); h=(x+2)
C) b = (x+3); h=(x+2) D) b = (x+3); h=(x-2)
D) b = (x+3); h=(x-2)
500
Segment AB has one endpoint at A(2,5) and its midpoint is at (4,0). What are the coordinates of B, the other endpoint of AB?
A) (2, -5) B) (3, 2.5) C) (6, -5) D) (6, 2.5)
C) (6, -5)