- 1. A load of gravel weighs 3,460 lbs. What is this mass in scientific notation?
A) 3.46 X 104
B) 3.46 X 103
C) 3.46 X 105
D) 3.46 X 102
- 2. There are 195 seniors at Wildcat High School. If 12% of the students enrolled in Pre-Calculus first semester, about how many did not take Pre-Calculus?
A) 100
B) 50
C) 20
D) 180
- 3. If 4x + 8 = 3y and –y = 4, what is the value of x?
A) -1
B) 0
C) -3
D) -5
- 4. The radius of a cone is multiplied by 2. If the height of the cone remains constant, what will happen to the volume of the cone?
A) The volume will be 4 times the original volume.
B) The volume will be 5 times the original volume.
C) The volume will be 3 times the original volume.
D) The volume will be 2 times the original volume.
- 5. A chest is built in the shape of a rectangular prism. Five faces are made from cedar, and the front is made from pine.
A) 44 ft.2
B) 36 ft.2
C) 8 ft.2
D) 56 ft.2
- 6. A surveyor uses the properties of a right triangle to find the width of a river.
A) tan 72° = w/86
B) cos 72° = w/86
C) tan 72° = 86/w
D) sin 72° = 86/w
- 8. What is the value of x?
A) 47°
B) 133°
C) 86°
D) 104°
- 9. Use the midpoint formula to find the midpoint of the line segment joining (0, -6) and (-2, 18).
A) (1, -12)
B) (-2, 12)
C) (-1, 6)
D) (0, 18)
- 10. The histogram above shows the test scores on an algebra test. The scores have an approximate normal distribution with a mean of 72 and a standard deviation of 5.3.
A) 68%
B) 34%
C) 50%
D) 25%
- 11. Which curve of best fit is most appropriate for the scatterplot above?
A) quadratic curve
B) exponential curve
C) cubic curve
D) line
- 12. The president of the fishing club needs to appoint a committee of 4 members to plan the annual fish fry. If there are 12 members interested in serving, in how many ways can the committee be chosen?
A) 20,736
B) 495
C) 48
D) 11,880
- 13. In the drawer there are 6 white socks, 4 green socks, 7 yellow socks and 2 black socks. If Waylon picks a white sock from the drawer and does not replace it, then picks again, what is the probability that he gets another white sock?
A) 10/19
B) 1/3
C) 6/13
D) 5/18
- 14. Fred sketches the graph of the function
y = 5x2 – 1 on a set of coordinate axes. If he reflects her graph over the x-axis what will be the equation of the new graph?
A) y = 5(-x)2 – 1
B) y = -5x2 – 1
C) y = 5x2 + 1
D) y = -5x2 + 1
A) (x - 2)(x + 6)
B) (x + 1)(x – 12)
C) (x - 4)(x + 3)
D) (x + 2)(x - 6)
- 16. An investment of $6,000 increases according to a constant interest rate. After 3 years the investment is worth $7,200. How much will the investment be worth after a total of 24 years?
A) $15,600
B) $8,400
C) $4,800
D) $9,600
- 17. Which of the following relations does not describe a function?
A) (0, 0), (1, 0), (2, 0), (3, 0)
B) (2, 9), (-3, 0), (6, 0), (1, 0)
C) (4, 2), (7, -9), (4, 1), (0, -9)
D) (5, 8), (3, 8), (-4, 8), (0, 8)
- 18. Choose the equation for the line of symmetry of a parabola.
A) l = -a x -2b
B) x = -b/2a
C) y = 2b X a2
D) m = 1/2b/2a
- 19. What is the y intercept of y = 3x2 + 2x + 4?
A) 1
B) 4
C) 3
D) 2
- 20. What is the vertex of the graph of y = x2 + 4x - 2?
A) (0, 0)
B) (1, 3)
C) (-4, -2)
D) (-2, -6)
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