Accuplacer-Math QUESTIONS & ANSWERS 2023 ( A+ GRADED 100% VERIFIED)

Accuplacer-Math E If a ≠ b and 1/x + 1/a = 1/b, then x = A. 1/b - 1/a B. b - a C. 1/ab D. a - b/ab E. ab/a - b C The graph of which of the following equations is a straight line parallel to the graph of y = 2x ? A. 4x - y = 4 B. 2x - 2y = 2 C. 2x - y = 4 D. 2x + y = 2 E. x - 2y = 4 A An equation of the line that contains the origin and the point (1, 2) is A. y = 2x B. 2y = x C. y = x -1 D. y = 2x +1 E. y/2 = x - 1 E An apartment building contains 12 units consisting of one- and two-bedroom apartments that rent for $360 and $450 per month, respectively. When all units are rented, the total monthly rental is $4,950. What is the number of two-bedroom apartments? A. 3 B. 4 C. 5 D. 6 E. 7 D If θ is an acute angle and sin θ = 1/2, then cos θ = A. -1 B. 0 C. 1/2 D. √3/2 E. 2 B 5y(2y - 3) + (2y - 3) = A. (5y + 1) (2y + 3) B. (5y + 1) (2y - 3) C. (5y - 1) (2y + 3) D. (5y -1) (2y - 3) E. 10y (2y - 3) 3.5x10^8 1. Write the following in Scientific Notation. 350,000,000 5.23x10^-14 2. Write the following in Scientific Notation. 0. 1.205x10^20 3. Write the following in Scientific Notation. 120,500,000,000,000,000,000 602,000,000,000,000,000,000,000 4. Write in expanded form. 6.02x10^23 300,000,000 5. Write in expanded form 3.0x10^8 0. 6. write in expanded form 1.819x10^-9 1.5x10^10 7. Simplify. Write answers in scientific notation. 9x10^-8 8. Simplify. Write answers in scientific notation. 2x10^-8 9. Simplify. Write answers in scientific notation. 3.2x10^7 10. Simplify. Write answers in scientific notation. -32 Find each value if x=3, Y=-4, and z=2