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HSPA Math – Practice 2 Multiple-choice Items CIRCLE your choice 1. You find the code sheet for a secret code, but something was spilled on one row. See if you can recognize a pattern and complete the missing row. A -0 B-5 C - 15 D - 35 E – 75 F- 155 G – 315 H - 635 I-1 J-7 K - 19 L - 43 Q-2 R-9 S - 23 T - 51 U107 V - 219 W - 443 X - 891 Y-3 Z - 11 M - 91, N - 187, O - 379, P - 763 M - 95, N - 185, O - 375, P - 765 M - 86, N - 172, O - 344, P - 688 M - 89, N - 185, O - 377, P - 761 2. The table below shows a pattern. Which formula represents the function shown? y=x2-2x y=x2-x y=x-1 y=1/4x - x 3. Lauren goes into a music store where all CDs are marked 12% off. If she buys n CDs for 16.99 each, how much money will she need? 12(16.99n) n x (.12)(16.99) n x (16.99 - (16.99)(.12)) (n x 16.99) - .12 (16.99) 4. If xy=2 and x is greater than 0, which of the following is true? As x increases, y increases As x increases, y decreases When x is greater than 1, y is less than 1 When x is between 0 and 1, y is a negative number 5. A local jewelry dealer calculates the price at which he will buy back gold jewelry based on the following formula: B = .75(G - 15) + .15G, where B is the "buyback" price and G is the current market value of the gold. You bring in a gold bracelet with a current market value of $105. What will the dealer pay you for the bracelet? $78.75 $81.00 $79.50 $83.25 6. James came home from school with 16 hours of homework. He had three times as much English homework as he had math. How much math homework did he have? 3 hours 6 hours 4 hours 16 hours 7. Roland just bought a used car that has a capacity of 1500 pounds. If he and his brother weigh 320 pounds together, which of the inequalities below could be used to find the maximum number of additional friends who can ride in his car (assume an average weight of 160 pounds). 8. In 2000, a particular technology stock dropped quickly, and then leveled off. Which of the graphs below best represents that stock's performance? 9. A bag of jelly beans includes only r red and y yellow jellybeans. If Violet removes 1 red jellybean, what fractional part of the jelly beans in the bag are red? 10. If @ is defined for all positive numbers a and b by a @ b = 2ab - b2 , then 5 @ 3 = 8 21 15 24 11. What is the inequality for the following graph? y > 1/2 x + 1 x > 1/2y + 1 y < 1/2 x + 1 x < 1/2y + 1 12. A Web designer is building pages that are 600 pixels wide and 480 pixels high. She wishes to place an image on the page that is proportionate to those dimensions.The image is 320 pixels wide. How high will it have to be? 256 pixels 260 pixels 320 pixels 480 pixels