Unit 1 Review (Halfway)

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. For example, |-5| = 5.

Front

How do you solve an expression with absolute values?

Back

To solve an expression with absolute values, evaluate the expression inside the absolute value first, then apply the absolute value definition.

Front

What is the result of -|9| + |-5|?

Back

-4

Front

What is the sum of 9 and -6.73?

Back

2.27

Front

How do you find the distance between two numbers on a number line?

Back

To find the distance between two numbers, subtract the smaller number from the larger number and take the absolute value of the result.

Front

What is the absolute value of -16?

Back

The absolute value of -16 is 16.

Front

What is the result of |16| - |-5|?

Back

11

Front

What is the distance on a number line for temperatures -10 degrees and -5 degrees?

Back

5 degrees

Front

What does the expression -|x| represent?

Back

The expression -|x| represents the negative of the absolute value of x, which is always less than or equal to zero.

Front

What is the result of 5 + -3?

Back

2