Emilia is going to bake cookies. She rolls out a square of dough that is 12 inches wide by 12 inches long and cuts 9 identical circular cookies from the dough, as shown in the figure below. Each circular cut-out is tangent to the circular cut-outs next to it and tangent to the edge or edges of the square piece of dough it touches. Approximately, what is the area, in square inches, of the remaining dough, as shown in the figure?
(A)30.9
(B) 42.3
(C) 50.24
(D) 87.5
(E) 113.04
The Correct Answer
If function f is defined by f(x) = -2x3, then what is the value of f(f(1))?
（A）-16 （B） -8 （C） 4 （D） 8 （E） 16
Correct Answer: E
What is the slope of the line in the following graph?
(F) 2(G) –2(H) 
(J) 
(K) 
Correct Answer: G
The 7 consecutive integers below add up to 511, x - 2, x - 1, x, x + 1, x + 2, x + 3, and x + 4. What is the value of x?
（A）71 （B） 72 （C） 73 （D） 74 （E） 75
Correct Answer: B
More ACT Math Exam Questions
- 1
What is the degree measure of an angle that measures
radians? - 2In the standard (x, y) coordinate plane, a line passes through the points (1, -2) and (5, 10). At which of the following points does the line cross the y-axis?
- 3
What is the area of the shaded region in the following figure?
- 4For which of the following values of a will there be exactly one real solution to the equation 2x2 - ax + 8 = 0?
- 5If you multiply a number by 3 and then add 40, the result is the same as if you first add 17 and then multiply by 2. What is the result if you subtract 9 from the number and then multiply by 4?