1. Write an algebraic expression for the verbal expression ''five more than the product of z and 10.'' A. 10z + 5 B. 5z + 10 C. 5 + (10 ÷ z) D. 5 + (z ÷ 10) Hint 2. Evaluate the expression 15 - (x ÷ y) + 4 if x = 48 and y = 6. A. 3 B. 19 C. 27 D. 11 Hint 3. Which equation does the model represent? A. x + 5 = 1 B. x + (-5) = 1 C. x + 5 = -1 D. x + (-5) = -1 Hint 4. In 1960, Chile experienced the largest earthquake of the century. The magnitude was 9.5 on the Richter scale. In 1952, Ecuador had the fourth largest earthquake. The magnitude was 0.7 less than the earthquake in Chile. What was the magnitude of the earthquake in Ecuador? A. 7.8 B. 8.8 C. 11.2 D. 10.2 Hint 5. Solve the equation = 10x + 2. A. B. C. D. Hint 6. In 1990, 5,283,055 people subscribed to cellular telephone service. In 1998, the number of people had risen to 69,209,321. To the nearest percent, find the percent of increase. A. 920% B. 121% C. 1210% D. 92% Hint 7. If f(x) = -5x + 8, find f(-1). A. 13 B. 40 C. 3 D. 2 Hint 8. If the graph of a line crosses the x–axis, that point of intersection is called the________. A. x–intercept B. origin C. y–intercept D. slope of the line Hint 9. Select the correct first step when using the order of operations. A. Do all multiplications and divisions from left to right. B. Evaluate all powers in order from left to right. C. Do all operations within grouping symbols starting with the innermost grouping symbols. D. Do all additions and subtractions from left to right. Hint 10. Simplify 24 · 23. A. 21 or 2 B. 27 C. 212 D. 47 Hint 11. The rule for multiplying by powers of 10 states that if the exponent of the 10 is positive, then you move the decimal point __________. A. to the right by the number of spaces as the number in the exponent plus 1 B. to the left by the same number of spaces as the number in the exponent C. to the right by the number of spaces as the number in the exponent minus 1 D. to the right by the same number of spaces as the number in the exponent Hint 12. Solve the equation x(x – 9) – 10 = x(x + 2) + 12. A. -22 B. -2 C. -7 D. 2 Hint 13. Which statement is not an example of the Distributive Property? A. a(a – 3) + b(a – 3) = (a + b)(a – 3) B. (x + 1)(x – 2) = x(x – 2) + 1(x – 2) C. b(c + 1) + 5(c + 1) = b(c) + b(1) + 5(c) + 5(1) D. x(–2x + 4x) + x(5x – 6x) = x(2x) + x(–x) Hint 14. Simplify the expression 6 · (3x · 4 · 2x). A. 12 + 6x B. 144x2 C. 18x2 + 3 D. 72x2 Hint 15. Refer to the data. If the music store has to eliminate one type of music, which type should they eliminate? A. Classical B. Punk C. Folk D. Rap Hint 16. Simplify –10x + (-4x). A. 6x B. 14x C. -6x D. -14x Hint 17. Evaluate j – k – l if j = 2, k = 3, and l = 4. A. 9 B. 3 C. -5 D. 1 Hint 18. Find 56% of 150. A. 76 B. 315 C. 84 D. 268 Hint 19. The rule for multiplying by powers of 10 states that if the exponent of the 10 is negative, then you move the decimal point __________. A. to the right by the same number of spaces as the number in the exponent B. to the left by the same number of spaces as the number in the exponent C. to the right by the number of spaces as the number in the exponent plus 1 D. to the right by the number of spaces as the number in the exponent minus 1 Hint 20. State whether the expression 5jk + 4j is a monomial, binomial, trinomial or not a polynomial. A. not a polynomial B. binomial C. trinomial D. monomial Hint