If g(x) = x² , which expression is equal to g(x + 1) ?
B.) x² + 1
C.) x² + 2x + 1
D.) x² - x
E.) x² + x + 1
What is the complete solution of the equation
|8 - 4x| = 40 ?
A.) x = 8 or x = 12
B.) x = 8 or x = -12
C.) x = -8 or x = -12
D.) x = -8 or x = 12
E.) x = -8
Excluding sales tax, how much will you save if you purchase a $12.00 item that is on sale for 25% off?
The ratio of side lengths for a triangle is exactly 7:11:13. In a second triangle, similar to the first, the shortest side is 9 inches long. To the nearest tenth of an inch, what is the length of the longest side of the triangle?
E.) Cannot be determined from the given information
A system of linear equations is shown below.
4y = 3x + 12
-4y = -3x - 8
Which of the following describes the graph of the
system of linear equations in the standard (x,y) coordinate plane?
A.) Two parallel lines with negative slope
B.) Two parallel lines with positive slope
C.) A single line with a negative slope
D.) A single line with a positive slope
E.) Two perpendicular lines
If a gumball is randomly chosen from a bag that contains exactly 6 yellow gumballs, 5 green gumballs, and 4 red gumballs, what is the probability that the gumball chosen is not green?
The lengths of the sides of right triangle ABC are shown in the figure below.
What is the cotangent of ∠B?
In the triangle shown below, what is the average of angles a,b,c,d, and e?
If two lines in the standard (x,y) coordinate plane are perpendicular, and the slope of one of the lines is -5/7, what is the slope of the other line ?
ACT Practice Videos
ACT is a registered trademark of ACT, Inc. SAT is a registered trademark of the College Board. ACT and SAT are not affiliated with this site.