Of the 504 girls in Radcliffe Day School,3/8 are left-handed and 2/3 of those have brown hair. How many brown-haired, left-handed girls attend Radcliffe Day School?
A parabola with vertex (-3,-2) and axis of symmetry y = -2 crosses the y-axis at (0, -2 + 3). At what other point does the parabola cross the y-axis?
（A）No other point （B） (0,2 + 3) （C） (0,2 - 3) （D） (0,-2 - 3) （E） Cannot be determined from the given information
Correct Answer: D
For how many different integers b (consider positive integers, negative integers, and zero) does x2 + bx + 20 factor into linear factors with integer coefficients?
（A）1 （B） 2 （C） 3 （D） 4 （E） 6
Correct Answer: E
Sides , , and of square ABCD are broken up by points W, X, Y, and Z as shown below. If is 6 inches long, what is the area, in square inches, of the shaded region?
（A）36 （B） 32 （C） 20 （D） 16 （E） 12
Correct Answer: C
More ACT Math Exam Questions
- 1Which of the following, if any, is equivalent to the inequality |x| - 4 < -7?
Admission to the martial arts tournament is $30, but participants must purchase separate tickets for each event they wish to participate in once inside. Each event is the same price as any other event. The graph below shows the total cost for a person, for admission and events, as a function of the number of events paid for. One of the following is the price of a single event. Which one is it?
0 $30 1 $42 2 $54 3 $66 4 $78 5 $90
- 3Lines and intersect at point V on line , as shown in the figure below. The measures of 2 angles are given in terms of a, in degrees. What is the measure of XVZ in degrees?
Given the equation |y2 - 11| - 2 = 0, which of the following is a solution but NOT a rational number?
- 5A rectangle is four times as long as it is wide. If the width of the rectangle is 4.5 cm, what is the rectangle's area, in square centimeters?