Transcript Day 2
Day 1 Simplify: (12 2 2) (A) (B) (C) (D) -40 -16 1/400 1/64 2 Day 2 Jose and his dad went to lunch. Their bill came to $18.71. If a fair tip is between 15 and 20 percent, what would be a fair tip? (A) (B) (C) (D) $1.00 $1.87 $3.00 $15.00 Day 3 A thin wire is formed into a rectangle with an area of 24 cm2. If it is reshaped so that the 6 cm side is 2 cm longer, how will the area change? (A) (B) (C) (D) Decrease 8 cm2 Decrease 2 cm2 Increase 2 cm2 Increase 8 cm2 Day 4 Simplify: 3x 2 x x 2 2 (A) (B) (C) (D) x2 + 2 3x3 + 4x2 – 4x 3x3 + 8x2 – 4x 4x3 – 4x Day 5 The mass of a butterfly, in grams, is 2 x 10-4. This expression is the same as which of the following numbers? (A) (B) (C) (D) 0.00002 0.0002 2,000 20,000 Day 6 What is the median of the data recorded on the stem-and-leaf plot? 50 3 51 0 2 2 8 52 4 7 9 53 1 6 (A) 512 54 3 5 8 (B) 524 (C) 526 (D) 527 Key: 54 3 = 543 Day 7 As part of her pay, a hair stylist is given a commission, which is a percentage of the price for the services she provides. What is her total commission for giving a client a service package that costs $120.00? The rates are as follows: (A) (B) (C) (D) $27.60 $29.80 $30.20 $32.40 Cost of service Commission First $65.00 27% Any portion over $65.00 23% Day 8 In the figure below, the measure of angle XYZ is . . . (A) 25˚ (B) 135˚ (C) 155˚ (D) 160˚ Day 9 If triangles ABC and DBE in the figure shown below are similar, what is the value of x? 4 B 5 D 6 x E A 15 (A) 6 C (B) 9 (C) 10 (D) 20 Day 10 Which is not a property of a square? (A) (B) (C) (D) All angles are equal in measure. Only one pair of sides is parallel. The diagonals are equal in length. The opposite sides are equal in length. Day 11 What is the value of x in the equation? x3 x4 3 2 (A) (B) (C) (D) 7 10 15 18 Day 12 If y=7x, how does the value of x change as y increases? (A) (B) (C) (D) x=y x decreases x increases x stays the same Day 13 Which graph represents the function y = (x – 1)2 – 1? (A) Day 13 Which graph represents the function y = (x – 1)2 – 1? (B) Day 13 Which graph represents the function y = (x – 1)2 – 1? (C) Day 13 Which graph represents the function y = (x – 1)2 – 1? (D) Day 14 What is the volume of a cylinder with a radius r = 3 and height h = 7? (A) (B) (C) (D) 16 42 63 441 Day 15 Mari’s house is 9 miles north and 3 miles east of school. Leah’s house is 3 miles south and 6 miles west of school. What is the shortest distance between the girls’ houses? Round your answer to the nearest whole mile. (A) (B) (C) (D) 15 miles 16 miles 21 miles 54 miles Day 16 A paper bag contains two green cubes, four orange cubes, and five yellow cubes. What is the probability that a cube randomly selected from the bag will be an orange cube? (A) (B) (C) (D) 9.1% 25.0% 36.4% 57.1% Day 17 Use the quadratic equation below to answer the question. x 5x 6 2 (A) (B) (C) (D) -3, -2 -3, 2 3, -2 3, 2 Which best describes the sequence 1, 3, 7, 15, 31, …? •To get to the next number, add 1 to the previous number •To get to the next number, multiply the previous number by 3 •To get to the next number, add the previous number two numbers in the sequence •To get to the next number, multiply the previous number by 2 and add 1 Give the next number in the sequence; -2, 4, 16, 256, _______ Find the seventh number in this sequence: 1, 3, 9, 27, …. Day2 A line contains the point (2, -3) and has a slope of 1/2. Write the equation of the line. . • Sam works after school and earns $4.50 an hour. Which sentence describes Sam’s weekly pay (p) if he works different hours (h) each week? • • A. ph = 4.50 • B. p = 4.50h • C. h = 4.50p • D. p = h • • • • • • • • • Day 11 If f(x) = 5x – 3 and f(x) = 7, What is the value of x? A. B. C. D. -3 2 5 7 • Tanya has read the first 78 pages in a book that is 130 pages long. Which number sentence could Tanya use to find the number of pages she must read to finish the book? • A. 130 + 78 = • B. – 78 = 130 • C. 130 ÷ 78 = • D. 130 – 78 = • A week long soccer camp needs at least $72,000 in order to pay expenses. The camp receives $250 per person for day campers and $400 for full-time campers. Which of these combinations would be enough to pay expenses? • A. 78 day campers and 152 full-time campers • B. 104 day campers and 114 full-time campers • C. 117 day campers and 79 full-time campers • D. 200 day campers and 29 full-time • • • • • • • • Look at the system of equations below. y = x + 10 y = x – 10 Which of these statements is correct? A. The system has no solution. B. The solution of the system is (-3,8). C. The solution of the system is (6,-6). D. The system has an infinite number of solutions.