Read carefully each problem. Write the letter of the correct answer on a sheet of paper. a, 2 1. Which of the following is the variable in the algebraic expression -3x2 + 4? b. 3 C. 4 d.x 2. How many terms are there in 3x + 5y - 1? a. 1 b. 2 C. 3 d. 4 3. Which of the following is NOT a polynomial? a. 23m + 5-2 b. (3)(81) c.m. m2 + 4 d. 3(c + 2) 4. Which of the following is considered a constant? b. 560 d. > 5. Which of the following does not tell an operation addition? a. plus b. increased by c. diminished by d. more than a ap C. + 6. Translate "4 subtracted from thrice a number z" to a mathematical phrase. a, 4 - 32 b. 32-4 c.3(4 - Z) d. 3(2-4) 7. Translate "1 subtracted from the square of a number t" into Mathematical phrase. a. t2 -1 b. 1 - 2 c. (1 - )2 d. (t-1)2 8. What is “24 multiplied by the sum of x and y' in mathematical phrase? a. 24x + y b. 24 + xy c. 24(xy) d. 24(x + y) 9. Translate "the difference of k and 3 is 24" in mathematical sentence. ak-3 = 24 b.3.3 = 24 c. 3 - k = 24 d. 3(1 - k) = 24 10. Translate "twice the sum of a number rand 3 is 32" into Mathematical sentence. a. 2r + 3 = 32 b. 2(r + 3) = 32 c. 2r + 2(3) = 32 d. 2(r + 3) = 2(32)​