Pre-Algebra Review: Adding and Subtracting Rational Expressions

Which keyword indicates a subtraction operation in a word problem?

• Product

• Sum

• Quotient

• Difference

What does the keyword 'quotient' signify in a word problem?

• Multiplication

• Subtraction

• Addition

• Division

How would you represent '12 more than a number' in an algebraic expression?

• x * 12

• x + 12

• 12 - x

• 12 / x

What is the algebraic expression for 'the difference of eight and a number'?

• 8 + x

• 8 - x

• x - 8

• 8 * x

In the expression 4^3, what is the base?

• 12

• 7

• 4

• 3

What is the value of 2^3?

• 6

• 8

• 9

• 12

What is the absolute value of -7?

• 14

• 0

• -7

• 7

If the absolute value of a number is 5, what could the number be?

• 5

• Both -5 and 5

• 0

• -5

What is the square root of 64?

• 6

• 9

• 7

• 8

In the order of operations, which comes first?

• Parentheses

• Exponents

• Multiplication

• Addition