A1 Chapter 1 Review Round 2

Which expression has a value different from the others?

The absolute value of a number is always positive.

Which is an algebraic expression for "six less than k"?

Evaluate -|a-b|+|c| for a -3, b = 4, and c = -4

All rational numbers are integers.

The number -5/8 belongs to what set of numbers?

A mathematical phrase that uses numbers, variables, and operations symbols.

What kind of number to you use to represent the portion of a pizza you have eaten?

A number, a variable, or the product of a number and one or more variables.

Which is an algebraic expression for "the product of a and 10"?