1. Find the sum -10 + 8. A. -2 B. -18 C. 2 D. 18 Hint 2. What is the difference 6 - (-6)? A. 12 B. 0 C. 6 D. -6 Hint 3. At the OldTyme Soda Fountain you can order floats made from cola, orange, or cherry flavored soda with either vanilla ice cream or vanilla frozen yogurt. Thus, there are 6 combinations of drinks possible (cola, ice cream), (cola, yogurt), (orange, ice cream), (orange, yogurt), (cherry, ice cream), and (cherry, yogurt). The list of all the possible outcomes is called the ______ . A. tree space B. sample space C. event space D. combination space Hint 4. Solve the equation 12 + 2.5x = -16. A. 11.2 B. -1.6 C. 1.6 D. -11.2 Hint 5. In mathematics, a ratio is a comparison of two numbers by ______. A. multiplication B. subtraction C. division D. addition Hint 6. Twelve is what percent of 50? A. 48% B. 12% C. 24% D. 6% Hint 7. Determine the slope and y-intercept of the graph of the equation A. m = -7; B. m = 7; C. ; b = 7 D. ; b = -7 Hint 8. Select the expression that is a binomial. A. x2 + 2 B. 2x3 C. 54 D. x2 + 3x - 4 Hint 9. The measures of three sides of a triangle are given. Determine which triangle is a right triangle. A. 2 m, 3 m, and 4 m B. 3 cm, 4 cm, and 5 cm C. 1 ft, 2 ft, and 2 ft D. 16 in., 18 in., and 20 in. Hint 10. Refer to the diagram. A city park will use a portion of the park for a garden. The shaded region will be the area of the park without the garden. Express the area of the shaded region in factored form. A. 2(x – 3)(x + 5) B. (x + 3)(x – 5) C. 2(x2 – 2x – 15) D. 2(x + 3)(x – 5) Hint 11. Lori wants to spend no more than \$50 on decorations and cake for her friend's birthday party. The cake she wants costs \$27.50. How much money can she spend on the decorations? Express the answer as an inequality. A. B. m < 72.50 C. m < 22.50 D. Hint 12. Choose the best answer. Two inequalities, such as x < 10 and x > –1, form a(n) _____. A. intersecting inequality B. compound inequality C. set of inequalities D. complex inequality Hint 13. Name the property shown by the statement 12 + 13 = 13 + 12. A. Closure Property of Whole Numbers B. Associative Property of Addition C. Associative Property of Multiplication D. Commutative Property of Addition Hint 14. You want to take a survey to see how many people in your high school consider themselves in the Green Party, a political party that emphasizes equal rights and protecting the environment. Which of the following would be the best group of people to survey? A. the students in the recycling club B. every person that you catch littering in the next month C. the students in your homeroom D. the students in the school service club Hint 15. Refer to the histogram showing the number of people from each age group in Takala's Yoga class. How many people in the class are from age 20-39? A. 16 people B. 15 people C. 23 people D. 20 people Hint 16. The graphs below are a family of graphs because __________. A. they have different slopes B. they have the same x-intercept C. they have the same slope D. they have the same y-intercept Hint 17. Write (4)(4)(4)(-1)(-1)(3)(3)(3)(3)(3)(3) using exponents. A. (4)3(-1)2(3)6 B. (4)(-1)(3)3 · 2 · 6 C. (3)(2)(6)4 · -1 · 3 D. (3)4(2)-1(6)3 Hint 18. If c is the measure of the longest side of a triangle and c2 = a2 + b2, then ___________________. A. the triangle is an isosceles triangle B. the triangle is not an isosceles triangle C. the triangle is not a right triangle D. the triangle is a right triangle Hint 19. Solve 2x- 4 < 12. A. x < 4 B. x > 4 C. x > 8 D. x < 8 Hint 20. Which graph represents n 2 or n 0? A. B. C. D. Hint