New SAT Math Multiple Choice Practice Test 37

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Question 15 questions

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1. If 6x + 9 = 30, what is the value of 2x + 3?

  • A. 5
  • B. 10
  • C. 15
  • D. 20

2. Images

x2 + y2 = 9

y = x2 - 4

A system of two equations and their graphs in the xy-plane are shown above. How many solutions does the system have?

  • A. One
  • B. Two
  • C. Three
  • D. Four

3. A total of 300 tickets were sold for a performance of a school play. The ticket prices were $5 for each adult and $3 for each child, and the total revenue from tickets was $1,400. Solving which of the following systems of equations would yield the number of adult tickets sold, a, and the number of children's tickets sold, c?

  • A. a + c = 1,400

    5a + 3c = 300

  • B. a + c = 300

    5a + 3c = 1,400

  • C. a + c = 300

    3a + 5c = 1,400

  • D. a + c = 300

    3a + 5c = 1,400 × 2

4. Which of the following expressions is equivalent to 2(x - 4)2 - 5x?

  • A. 2x2 - 21x + 32
  • B. 2x2 - 21x - 32
  • C. 2x2 - 13x + 32
  • D. 2x2 - 16x - 21

5. Images

Note: Figure not drawn to scale

A rectangular solid above has dimensions 3, a, and b, where a and b are integers. Which of the following CANNOT be the areas of three different faces of this solid?

  • A. 15, 18, and 30
  • B. 18, 24, and 48
  • C. 12, 15, and 24
  • D. 15, 24, and 40

6. The cost in dollars, C, to manufacture n necklaces is given by the equation C(n) = an + b, where a and b are positive constants. In this equation, what does a represent?

  • A. the fixed costs, in dollars, independent of any necklaces being manufactured
  • B. the total cost, in dollars, to produce n necklaces, not including fixed costs
  • C. the total cost, in dollars, to produce one necklace, including fixed costs
  • D. the cost, in dollars, to produce one necklace, not including any fixed costs

7. Line l intersects the graph of the function f(x) = 2x2 - 4x + 1 at two points where x = -1 and x = 2, respectively. What is the slope of line l?

  • A. -2
  • B. Images
  • C. Images
  • D. 2

8. Which of the following equations represents a parabola in the xy-plane with a vertex that lies on the x-axis?

  • A. y = (x - 3)2 + 2
  • B. y = 2(x - 3)2
  • C. y = 2x2 - 3
  • D. y = 3x2 + 2

9. If the function m(x) satisfies the equation Images for all values of x greater than 1, then m(x) =

  • A. Images
  • B. Images
  • C. Images
  • D. Images

10. In the mesosphere, the atmospheric layer between 50 km and 80 km in altitude, the average atmospheric temperature varies linearly with altitude. If the average temperature at 50 km altitude is 10°C and the average temperature at 80 km is -80°C, then at what altitude is the average temperature -50°C?

  • A. 60 km
  • B. 65 km
  • C. 70 km
  • D. 75 km

11. The graph of the equation y = 2x2 - 16x + 14 intersects the y-axis at point A and the x-axis at points B and C. What is the area of triangle ABC?

  • A. 42
  • B. 48
  • C. 54
  • D. 56

12. What is the total number of x- and y-intercepts in the graph of the equation y = (x + 2)2(x - 3)2?

  • A. Two
  • B. Three
  • C. Four
  • D. Five

13. If the complex number A satisfies the equation A(2 - i) = 2 + i, where Images, what is the value of A?

  • A. 5 - i
  • B. 5 + i
  • C. Images
  • D. Images

14. If k > 2, which of the following could be the graph of y + x = k(x - 1) in the xy-plane?

  • A.

    Images

  • B.

    Images

  • C.

    Images

  • D.

    Images

15. The function g(x) = ax3 + bx2 + cx + d has zeroes at x = -2, x = 3, and x = 6. If g(0) < 0, which of the following must also be negative?

  • A. g(-3)
  • B. g(-1)
  • C. g(4)
  • D. g(5)