SREB - Test #12

Front

What is the formula to find the area of a square?

Back

Area = side length × side length

Front

If the length of a side of a square is 8, what is the area?

Back

Area = 8 × 8 = 64

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 or performing operations.

Front

What is the value of k in the equation 2k + 3 = 11?

Back

k = 4

Front

What is the perimeter of a square with a side length of 8?

Back

Perimeter = 4 × side length = 4 × 8 = 32

Front

What is the definition of a variable in mathematics?

Back

A variable is a symbol used to represent an unknown value.

Front

How do you solve a linear equation?

Back

Isolate the variable on one side of the equation using inverse operations.

Front

What is the difference between an expression and an equation?

Back

An expression is a combination of numbers and variables without an equality sign, while an equation states that two expressions are equal.

Front

What is the formula for the volume of a cube?

Back

Volume = side length × side length × side length

Front

If you cut off 11 from a number, what operation are you performing?

Back

You are subtracting 11 from that number.