5. What expression refers to the ratio of both polynomial numerator and denominator a. Algebraic Expressions b. Basic Rational Expressions 6. What is the result when x = 2 and y = 2 in the expression c. Rational Numerical Phrases d. Rational Algebraic Expressions b. 1 d. 16 7. Which of the following value(s) make the expression undefined? a x = -3 only c. ** 3 only b. x = 2 only d. both x = 3 and x-3 8. What is the value of the expression 2xy- when x = 1 and y = 32 1 2. 16 b. 18 c. 16 d. 18 9. Evaluate the expression when r = 2, y = 1 and 2 = 4. b. 4 d. 8 10. What is the first step in dividing rational algebraic expressions? Simplify the answer. c. Factor the polynomials. b. Reciprocal the divisor. d. Find the least common denominator 11. Which of the following is the sum to 2 3 and 2 **-9 -7-3x 7 * 3x a. b. X-9 X2-9 1 3. 12. When you divide and what is the quotient? x2+4x+4 1 a. b. 3х+6 C 3+6 13. What is the answer when the indicated operation is performed in Sy b. с у? d. 3y? Sex For item numbers 14 - 15, refer to the problem below. Five divided by the sum of a number and three is equal to the quotient of two and the difference of that same number and three. Find the number. 14. What expression represents "five divided by the sum of a number and three b. 5x + 3 쁨 15. What number is asked in the problem? a 3 b. 5 c. 7 d. 9 d.​