. Which of the following is not acceptable?
A. − 5 + 5 B. 2 + 3 − 2 C. 3 − D. 2 + 4 2 + 5x + 6

2. Which of the following is the excluded values of the expression 4 + 1 2 − 16 ?
A. 4 and – 4 B. − 1 2 C. 10 and - 5 D. 1 and – 16

3. Which of the following is a rational algebraic expression?
A. 53 2 √7 B. −2 + 1 C. 5 − − 5 D. 3 2 + 5 6 − 6

4. Which of the following is the correct order of simplifying rational algebraic expressions? I. Multiply the remaining factors. II. Factor completely the numerator and the denominator. III. Divide out the common factor/s if there is/are any.
A. I, II, III B. II, III, I C. I, III, II D. III, II, I

5. Is the rational expression 1 + 2 − 1 in simplest form?
A. Yes, because the numerator and the denominator are in simplest form of a polynomial expression.
B. Yes, because the numerator and denominator have no common factor.
C. No, because the numerator and the denominator have different degrees.
D. No, because the denominator can still be factored.

6. If the area of a square lot is (4x2 – 12x + 9) square unit, is it possible to solve its sides?
A. Yes, using factoring difference of two squares.
B. Yes, using factoring perfect square trinomial.
C. No, one of the sides must be given.
D. No, the area is not factorable.

7. Which of the following fractions is expressed in simplest form?
. 4 12 B. 2 3 C. 13 39 D. 7 42

8. What is the simplest form of 15 2 3 4 45 43 2 ?
. 2 32 B. 3 2 92 C. 5 2 52 D. a − 6 a − 6

9. What is the difference between + 2 63 − 5 + 4 63 ?
A. 4y − 2z 3y 3 B. −2y − z 3y 3 C. 2y + z 3y 3 D. y 3 − z 3y 3

10. The area of a square is m2 + 13m + 42 square units.
Which expression represents the length of the side?
A. (m – 7) (m – 6) units C. (m - 7) (m + 6) units B. (m – 6) (m + 7) units D. (m + 6) (m + 7) units