Expressions and Absolute Value

Front

What is the definition of absolute value?

Back

The absolute value of a number is its distance from zero on the number line, regardless of direction. It is denoted as |x|.

Front

Evaluate |2q + r| if q = -1.5 and r = -3.

Back

6

Front

What is the formula for squaring a binomial?

Back

The formula for squaring a binomial is (a + b)² = a² + 2ab + b².

Front

Back

49

Front

What is the process to evaluate an expression with absolute value?

Back

To evaluate an expression with absolute value, first calculate the expression inside the absolute value, then take the positive value of the result.

Front

Evaluate the expression | -2x - 12 | if x = -5.

Back

2

Front

What is the definition of an expression in mathematics?

Back

An expression is a combination of numbers, variables, and operators (such as +, -, *, /) that represents a value.

Front

Evaluate |4 - h| - b if b = -3 and h = 6.

Back

5

Front

What does it mean to evaluate an expression?

Back

To evaluate an expression means to calculate its value by substituting the variables with their respective values.

Front

Evaluate 10 - |2n + v| if n = 2 and v = -8.

Back

6