1st Six Weeks Review #2-1A

Front

Is the number rational or irrational?

Back

Rational - A rational number can be expressed as a fraction where both the numerator and denominator are integers.

Front

Simplify the following expression: 2x + 3(x + 3)

Back

5x + 9

Front

Evaluate x² - xy if x = 8 and y = -3

Back

88

Front

What does 'difference' mean?

Back

Subtract - The difference between two numbers is the result of subtracting one from the other.

Front

Simplify the following expression: 9x + 5(x + 3)

Back

14x + 15

Front

What is a rational number?

Back

A rational number is any number that can be expressed as a fraction a/b, where a and b are integers and b ≠ 0.

Front

What is an irrational number?

Back

An irrational number cannot be expressed as a simple fraction; its decimal representation goes on forever without repeating.

Front

What is the distributive property?

Back

The distributive property states that a(b + c) = ab + ac, allowing you to multiply a number by a sum.

Front

Simplify: 4(2x + 3) - 5x

Back

8x + 12 - 5x = 3x + 12

Front

What is the formula for the area of a rectangle?

Back

Area = length × width.