SAT Math Concepts

Front

What is the equation for '5 less than 3 times a number is 7 less than the number'?

Back

3x - 5 = x - 7

Front

What does it mean if a system of equations has no solutions?

Back

It means the lines represented by the equations are parallel and never intersect.

Front

How do you factor the expression x² + 7x + 12?

Back

(x + 3)(x + 4)

Front

What is the simplified form of (1/3)(21m + 27)?

Back

7m + 9

Front

What is the result of expanding 2(3x - 4)?

Back

6x - 8

Front

What is the definition of a variable in mathematics?

Back

A symbol used to represent an unknown value.

Front

What is the distributive property?

Back

a(b + c) = ab + ac

Front

What is the solution to the equation 2x + 3 = 11?

Back

x = 4

Front

What does it mean to simplify an expression?

Back

To reduce it to its simplest form.

Front

What is the formula for the area of a rectangle?

Back

Area = length × width