If x is a real number so that x3 = 125, then 2(x2 + x) = ?
Which of the following is an equation of the line that passes through the points (2, 4) and (-2, -12) in the standard (x, y) coordinate plane?
（A）y = 8 （B） 4x - y = 4 （C） 4x + y = -4 （D） 7x - 3y = 2 （E） 8x - 2y = 7
Correct Answer: B
A particular linear equation includes the (x, y) pairs below. What is the value of b ?
（A）-8 （B） -5 （C） -1 （D） 0 （E） 7
Correct Answer: E
What is x, the second term in the geometric series + x + + + ... ?
(Note: In a geometric series the ratio of any term to the following term is constant.)
(A) (B) (C) (D) (E)
Correct Answer: C
More ACT Math Exam Questions
- 1In the figure all angles are right angles and each dimension given is in inches. What is the perimeter of the figure in inches?
- 2The speed of a car exceeds twice the speed of a truck by 15 mph. If t is the speed of the truck, which of the following expresses the speed, in miles per hour, of the car?
- 3The total surface area of the rectangular solid shown below is the sum of the areas of the 6 sides. What is the solid's total surface area, in square inches?
- 4For every positive 2-digit number, a, with units digit x and tens digit y, let b be the 2-digit number formed by reversing the digits of a. Which of the following expressions is equivalent to a - b?
In the standard (x,y) coordinate plane, what is the area of the circle (x - 3)2 + (y + 2)2 = 25?