In the (x,y) coordinate plane, what is the diameter of the circle having its center at (-6,1) and (0,9) as one of the endpoints of a radius?
(A) 10
(B) 14
(C) 20
(D) 28
(E) 100
If cot θ = P, which of the following expressions must also equal P?
（A）tan θ
（B） csc θ - 1
（C） sin θ - cos θ
（D） 
（E） 
Correct Answer: E
If x = 3T + 4 and y = 5 - T, then which of the following equations expresses y in terms of x?
（A）y = 
（B） y = 
（C） y = 9 - x
（D） y = x + 9
（E） y = x - 1
Correct Answer: A
When you multiply a number by 4 and then subtract 7, the result is the same as if you first subtracted 7 from the same number and then multiplied by 11. What is the number?
(F) 10(G) 13(H) 19(J) 23(K) 31
Correct Answer: F
More ACT Math Exam Questions
- 1
Which of the following inequalities is represented by the following number line?
- 2
The table below gives the values of two functions, g and h, for various values of x. One of the functions expresses a relationship that can be expressed by the formula a + bx, where a and b are real number coefficients. What is the value of that function for x = 0?
- 3
Paulette, Quentin, and Rosie each donated money to a charity. Paulette gave as much money as Quentin and Rosie gave together. If Quentin had given three times more than he gave, he would have given $40 more than Paulette. And if Rosie had given $20 less, she would have given half as much as Paulette. How much did Paulette give?
- 4A surveyor took and recorded the measurements shown in the figure
below. If the surveyor wants to use these 3 measurements to calculate
the length of the pond, which of the following would he find to be the
most useful?
- 5If 6x2 + x - c = (cx - 1)(3x + 2), what is the value of c?