1st Six Weeks Review #2-3B

Front

Back

3 and 4

Front

Solve the equation: ∣ 2x + 9 ∣ = 15

Back

x = 3 or x = -12

Front

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

Back

5x + 9

Front

Calculate: (10 + 2) × 10 - 3

Back

117

Front

Evaluate: r^3 + 2s^2 if r = -3 and s = 4

Back

5

Front

What is the definition of a square root?

Back

A square root of a number x is a number y such that y² = x.

Front

What is the absolute value of a number?

Back

The absolute value of a number is its distance from zero on the number line, regardless of direction.

Front

What is the distributive property in algebra?

Back

The distributive property states that a(b + c) = ab + ac.

Front

What is the order of operations in mathematics?

Back

The order of operations is Parentheses, Exponents, Multiplication and Division (from left to right), Addition and Subtraction (from left to right), often abbreviated as PEMDAS.

Front

What does it mean to simplify an expression?

Back

To simplify an expression means to reduce it to its simplest form by combining like terms and performing operations.