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Algebra 2 Review Test 1 Lessons 1-5 Short Answer 1. Classify the number as rational, irrational, or 13. Simplify not a real number. using the rules of exponents. 2. Identify the property demonstrated by the equation 12 + 8 = 8 + 12. 14. equals 15. Simplify . 3. What property is being demonstrated? 4. Write simplify. using the Distributive Property. Then 16. Simplify . 5. Find the additive and multiplicative inverse of 8 . 17. Simplify 6. Use mental math to find a 11% tax on a $25.00 backpack. 18. Simplify answer in scientific notation. 1 7. Evaluate 3(x + 7) – 2 if x = 4. 8. 9. Evaluate 1 + 6x3 if x = 5. 10. Simplify the expression by adding like terms. 5x + 9z – 3x + 6z – 9. 20. Identify the domain and range of the relation. Is the relation a function? x y 0 –3 1 –1 2 2 2 5 11. The number of line segments between n points is . Use the formula to find the number of segments between 10 points. . 21. Is the relation a function? Antonio’s age (years) Antonio’s height (inches) 22. If and 11 56 12 57 and write the 19. There are atoms in 1 gram of carbon. How many atoms are there in 700 grams of carbon? Write your answer in scientific notation. If necessary, round your answer to two decimal places. equals 12. Simplify . 13 58 , find . 23. A florist delivers flowers. The delivery cost, based on the distance in miles from the florist shop d, is given by . Evaluate for and , and describe what the values of the function represent. 14 63 15 65 16 65 24. Two stores carry small, medium, and large sweatshirts. The table shows the inventory at the stores. Display the data in matrix form. Give the dimensions of the matrix. Sweatshirt Inventory Small Medium Large 7 19 15 Store A 19 32 23 Store B 25. Find + . 26. Find 3B + 4C, if possible. 27. The matrices show how many juniors and seniors at Douglass High School were enrolled in three language classes, French (F), Spanish (S), and Vietnamese (V), over a three-year period. How many more juniors than seniors were enrolled in Spanish in the year 2004? Juniors Seniors 28. A movie theater marks up tickets by 120%. Use a scalar product to find the marked up prices. Movie Ticket Prices Time Child Adult Matinee $4 $6 Evening $6 $10 Late Night $5 $7 29. Find 30. Solve Y: .