Lesson 9 Practice Quiz A

The distance between -34 and 16 on a number line is _____.

The distance between -34 and -16 on a number line is _____.

The expression 26 - (-17) can be rewritten as:

• 26 + 17

• 26 - 17

• -26 + 17

• -26 - 17

The value of the expression 26 - (-17) is:

• positive

• negative

The expression -17 - 26 can be rewritten as:

• 17 + 26

• 17 + (-26)

• -17 + 26

• -17 + (-26)

The value of the expression -17 - 26 is:

• positive

• negative

The expression with the greater value is:

• 26 - (-17)

• -17 - 26

If x and y are both positive, the expression x - y is (a)  

• positive only if x > y
• always positive
• never positive
• positive only if x < y

If x is positive and y is negative, the expression x - y is ​ (a)  

• always positive
• never positive
• positive only if x < y
• positive only if x > y

The high temperature one day was 19 ⁰F. The low temperature the same day was -8 ⁰F.

Which expression represents the distance on the thermometer between 19 ⁰F and -8 ⁰F?