In the figure below, P and Q lie on the circle R, which has a radius of 9. If the angle PRQ is 120°, what is the area of sector PRQ?
What is the slope of the line determined by the equation ?
（A）3 （B） 1 （C） （D） （E） -3
Correct Answer: C
An isosceles trapezoid has bases of length 5 inches and 11 inches. The area of the trapezoid is 40 square inches. What is the height of the trapezoid, in inches?
（A）4 （B） 5 （C） 7.5 （D） 17.5 （E） 35
Correct Answer: B
If g(x) is a transformation that moves f(x) three units to the right and then reflects it across the x-axis, then g(x) =
(A) f(–x) + 3(B) f(–x) – 3(C) f(x) + 3(D) –f(x+ 3)(E) –f(x– 3)
Correct Answer: E
More ACT Math Exam Questions
- 1|-2 + 32| - |-2 - 32| = ?
- 2Which of the following is equal to (n– 3)2if n= 11?
If (a,-3) is on the graph of the equation x - 4y = 14 in the standard (x,y) coordinate plane, then a =?
- 4If function f is defined by f(x) = -2x3, then what is the value of f(f(1))?
- 5For all real numbers x and y such that the product of y and 4 is x, which of the following expressions represents the sum of y and 4 in terms of x?