SAT Practice Questions

If 4x + 2 = 12, what is the vaue of 16x + 8 ?

A company that provides whale-watching tours takes groups of 21 people at a time. The company's revenue is 80 dollars per adult and 60 dollars per child. If the company's revenue was 1,440 dollars, how many people in the group were children?

One of the factors of the given equation is x + b, where b is a positive constant. What is the smallest positive value of b ?

One gallon og paint will cover 220 square feet of a surface. A room has a total wall area of w square feet. Which equation represents the total amount of paint P, in gallons, needed to paint the walls of the room twice ?

The solution to the given system of equation is (x, y). What is the value of x + y ?

Out of 300 seeds that were planted, 80% sprouted. How many of these seeds sprouted?

Line p is defined by 2y + 18x = 9. Line r is perpendicular to line p in the xy-plane. What is the slope of the line r ?

A right triangle has legs with lengths of 24 centimeters and 21 centimeters. If the length of this triangle's hypotenuse, in centimeters, can be written in the form 3√d, where d is an integer, what is the value of d ?

Which expression is equivalent to the given equation, where x > 7 ?

The function f is defined by f(x) = 4x. For what value of x does f(x) = 8 ?