Rational Number Operations - Unit Test A

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1. Which of the following expressions is equivalent to the expression at the right?

• A. -4.5 + 8.1
• B. -4.5 + (-8.1)
• C. 4.5 + 8.1
• D. 4.5 – 8.1

2. Which of the following is not true about the number line below?

• A. The absolute value of point A is positive.
• B. The opposite of point A is positive.
• C. The additive inverse of point A is -1.

3. Solve.

(a)  

4. Solve.

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5. Solve.

(a)  

6. Which of the following statements best describes the solution to the problem below?

• A. The solution will be positive because both fractions are even.
• B. The solution will be negative because there are two negative signs.
• C. The solution will be positive because there are two negative signs.
• D. The solution will be negative because there are two fractions.

7. Van is asked to solve the problem below. Which of the following is a true statement?

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8. A homeowners’ association charges a $3.85 fee for each day your payment is late. If a bill was originally $98.75 and paid 13 days late, then how much is owed to the homeowners’ association?

(a)