Practice Math for the SAT & ACT!
x² + y² = 167 y = −3x Solve for x and y.
x² + y² = 167 y = −3x Solve for x and y.
The function h is defined by h(x) = 6x³ + 9x² + 3cx + 24, where c is a constant. If (-4, 0) is one of the x-intercepts of h, what is the value of c?
Find the value of x: 4x + x + x + x + x − 9 − 3 = 8 + x + x + x
The width of a rectangular floor is w feet. The length of the floor is 8 feet longer than its width. Write expressions for the area and perimeter of the floor in terms of w.
y > 4x − 2 6x > 15 Find the y-coordinates of all the points that satisfy this system of inequalities.
−2x + 3y = −10.5 3x + y = 5 Find the values of x and y.
A block in the shape of a right rectangular prism has dimensions 40 cm by 35 cm by 28 cm. The block has a density of 3.2 grams per cubic centimeter. What is the mass of the block in grams?
Sample Math Problem If there are 2 hydrogens and 1 oxygen in each molecule of water, how many hydrogens are there in 89 molecules of water?
In the xy-plane, the equations 3x + 6y = 30 and x + 2y = a/3 represent the same line for some constant a. What is the value of a?
On Wednesday, Alan sent x text messages per hour for 6 hours, and Tyler sent y text messages per hour for 3 hours. Write an expression for the total number of messages sent by Alan and Tyler on Wednesday.