For a chemistry class, Sanjay is doing an experiment that involves periodically heating a container of liquid. The graph below shows the temperature of the liquid at different times during the experiment. What is the average rate of change of temperature (in degrees Celsius per minute) during the times in which Sanjay is applying heat to this container?
(A) 4
(B) 5
(C) 8
(D) 10
(E) 20
Which of the following is the equation for a circle with diameter 
, given that a = (4, 2) and b = (8, -4)?
（A）x2 + y2 = 13 （B） x2 + y2 = 26 （C） (x - 6)2 + (y + 1)2 = 13 （D） (x + 6)2 + (y - 1)2 = 13 （E） (x - 6)2 + (y + 1)2 = 26
Correct Answer: C
In the following figure, the area of the shaded region is 20% of the area of the whole circle centered at P.The angle shown measures ddegrees. What is its measurement in radians?
(A) 
(B) 
(C) 
(D) 
(E) 
Correct Answer: B
Amber decides to graph her office and the nearest coffee shop in the standard (x,y) plane. If her office is at point (-1,-5) and the coffee shop is at point (3,3), what are the coordinates of the point exactly halfway between those of her office and the shop? (You may assume Amber is able to walk a straight line between them.)
(F) (1,-1) (G) (1, 4) (H) (2,-1) (J) (2, 4) (K) (2, 0)
Correct Answer: F
More ACT Math Exam Questions
- 1Which of the following is the solution set for x such that 3x - 9 ≥ - 3(9 - x)?
- 2Aru watches a movie that is 120 minutes long in 2 sittings. The ratio of the 2 sitting times is 3:5. What is the length, in minutes, of the longer sitting?
- 3
When asked the price, in dollars, of his fancy calculator, Albert responded, "If you take the square root of the price, then add
the price, the result is 66." What is the price, in dollars, of Albert's calculator? - 4
Gregor works as a political intern and receives a monthly paycheck. He spends 20% of his paycheck on rent and deposits the remainder into a savings account. If his deposit is $3,200, how much does he receive as his monthly pay?
- 5
Which of the following is equivalent to (Y3)8?