par ( 12). His closest competitor, Ernie Els, finished 3 strokes over par (+3). What was the margin of victory?

Transcription

1 Exam Name MULTIPLE CHOICE. Choose the one alternative that best completes the statement or answers the question. 1) Tiger Woods won the 000 U.S. Open golf tournament with a score of 1 strokes under par ( 1). His closest competitor, Ernie Els, finished strokes over par (+). What was the margin of victory? A) 1 strokes B) 18 strokes C) 15 strokes D) 9 strokes 1) ) Simplify the exponential expression. -7 ) A) 14 B) 49 C) -49 D) -14 ) Use the order of operations to simplify the expression A) B) -14 C) 1 D) - ) 4) Simplify the square root. 169 A) 1 B) 14 C) 169 D) 11 4) 5) Write the expression in expanded form using the definition of an exponent. (y) 4 5) A) y 4 B) y C) y y y y D) y y y y 6) Divide the real numbers (0.0) A) B) C) 0.6 D) ) Which property is illustrated by the following statement? (-8.) 1 = -8. A) Identity property of multiplication B) Commutative property of multiplication C) Inverse property of multiplication D) Inverse property of addition 8) Subtract the numbers A) 6 B) 165 C) -6 D) 4 6) 7) 8) 1

2 9) Evaluate the expression for the given substitution. 11z - 1; when z = A) 4 B) C) 44 D) 10) Use the commutative property of multiplication to rewrite the expression. z(-) A) -z B) z C) (z)(-) D) (-z)() 11) Use the associative property of multiplication to rewrite the expression, then simplify y A) C) y; y B) 0 7 y 7 10 ; y y; y 7 D) y; y 9) 10) 11) 1) Divide the real numbers A) 8 B) 8 C) 49 D) 9 1) 1) Find the opposite of ) A) B) 5 7 C) D) ) Translate the English phrase into an algebraic expression, then evaluate the expression. The number -0. plus the quantity 7 times -0.4 A) (-0.4); B) ( )(-0.4); C) (-0.4); -.1 D) ( )(-0.4); ) Divide the real numbers A) 5 B) -40 C) 5 D) 4 16) Divide the real numbers A) 68 B) undefined C) 0 D) 1 14) 15) 16)

3 17) Simplify. 17) A) 4 B) 4 C) - 4 D) ) Use the order of operations to simplify the expression (15-1) A) - B) - 7 C) 8 D) 18) 19) Simplify A) 6.9 B) 6.9 C) D) ) 0) Write the numbers in order from least to greatest. 11 8, 9 4,.7, -, -0.9, 1 A) - 11, -0.9, 8, 1, 9 4,.7 B) -0.9, -, 11 8, 9 4, 1,.7 C) -, -0.9,.7, 9 4, 1, 11 8 D) -0.9, -, 9 4, 11 8, 1,.7 0) 1) Add the numbers ) A) 0 B) C) D) ) Simplify. ) - 4 A) - 4 B) - 4 C) 4 D) 4

4 ) Use the order of operations to simplify the expression A) 69 B) C) 7.5 D) 5.64 ) 4) Simplify by combining like terms. y y + 1 4) 9 11 A) y B) -y + C) -y + 5 D) 7 y ) Add the numbers A) -6 B) 48 C) 6 D) -48 6) Which two terms in the expression are like terms? 6z + 6z - z + A) there are no like terms B) 6z and 6z C) 6z and -z D) -z and 7) Two cars are 174 miles apart and travel toward each other on the same road. They meet in hours. One car travels 1 mph faster than the other. What is the average speed of each car? A) 40 mph; 41 mph B) 4 mph; 44 mph C) 41 mph; 4 mph D) 4 mph; 4 mph 8) Solve the inequality. Write your answer in interval notation. 5) 6) 7) 8) -1 4 y - < 7 4 A) -, 4 B), 1 C), 1 D) 4, 5 9) Solve the inequality. Write your answer in set-builder notation t > 11 A) {t t < 7} B) {t t > -7} C) {t -t > 7} D) {t t > 7} 0) The length of a rectangular plot of land is times the width. If the perimeter is 000 feet, find the dimensions of the plot. Round to one decimal place if necessary. A) 1000 feet 000 feet B) 100 feet 00 feet C) feet 1.4 feet D). feet feet 9) 0) 4

5 1) At an evening showing of the movie "Divine Secrets of the Ya-Ya Sisterhood", there were 4 more women than men in attendance. If there were 86 people in the theater, how many were women? A) B) 8 C) 64 D) 44 ) Solve the inequality. Write your answer in interval notation t 16 A) (, 7] B) (, 16] C) [11, 16] D) (, 5] ) The perimeter of a triangle is 15 cm. The lengths of the three sides are represented by three consecutive odd integers. Find the length of the longest side. A) 47 cm B) 45 cm C) 41 cm D) 4 cm 4) Solve the equation. Identify the equation as a conditional equation, a contradiction or an identity. 1) ) ) 4) (z +) - 7z = 8-1 z A) identity; all real numbers B) conditional; z = C) contradiction; no solution D) identity; no solution 5) An investment gains an average of 10% simple interest for 8 years, at which time its value is $6,000. How much was originally invested? A) $0,000 B) $8,800 C) $,100 D) $19,700 6) Solve the inequality. Write your answer in interval notation. 11 6(n + 4) 4n A), - 1 B), - 1 C) - 1 1, D) -, 5) 6) 7) Solve the inequality. Write your answer in interval notation. y y + A), 5 B) 5 5, C), - D), - 5 7) 8) Solve the inequality. Write your answer in interval notation. 1y + 6 > 9 A) (-, 9) B), C) (, ) D) 1 4, 8) 5

6 9) The sum of two consecutive even integers is 10. Find the least of the two integers. 9) A) 48 B) 50 C) 5 D) 51 40) Which of the following is a solution to the inequality? 8(y ) < y A) B) -6 1 C) D) 9 40) 41) Simplify by collecting the like terms. Then solve the equation. 4x - x + 8 = 9-41) A) B) 6 C) - D) - 9 4) Identify the following as either an expression or an equation. 10x + 9x 9 A) expression B) equation 4) If each tick mark on the number line below corresponds to 9.5 units, what set is graphed below? Write the set in set-builder notation. 4) 4) A) {x -8 x < 9.5} B) {x -8 < x 9.5} C) {x -8 < x 9.5} D) {x 4 < x 1} 44) The sum of three times a number and 0 is 8. Find the number. 44) A) 58 B) - 58 C) - 58 D) 45) The graph of the equation y = - is a line. 45) A) dotted B) vertical C) horizontal D) slanted 46) Write the equation of the line through the points, 1 5 and -11, ) A) x = 1 5 C) y = x B) y = x D) y = 1 5 6

7 47) Use the point-slope formula to write an equation of the line with slope 1 that goes through the point (-1,4). A) y = 1x + 4 B) y = -x + 1 C) y = 1x + 16 D) y = 1x ) An overpaid basketball player has a guaranteed base salary of $4,000,000. He has a clause in his contract that pays him an additional $500 for each point he scores. Write a linear equation that computes his total salary (s) in terms of the number of points he scores (p). A) s = -500p + 4,000,000 B) s = 4,000,500p C) s = 4,000,000p D) s = 500p + 4,000,000 47) 48) 49) Write an equation of the line with slope - 1 and y-intercept 0, ) A) y = - 1 x B) y = - 1 x C) y = - 1 x D) y = - 1 x ) Write the equation of the line through (-4, -5) that is perpendicular to y = - x ) 5 A) y = 5 x + 5 B) y = - 5 x C) y = 5 x - 5 D) y = - 5 x ) Determine if the given ordered pair is a solution to the equation. 7x - y = 5; (-9, -68) A) no B) yes 51) 5) Find the slope and y-intercept of the equation. -4x + 8y = 0 A) slope: 15 4 y-intercept: 0, 1 C) slope: -4 y-intercept: (0, 0) B) slope: 1 y-intercept: 0, 15 4 D) slope: -4 y-intercept: 0, ) 5) The point (-1, ) is in the quadrant. 5) A) second B) fourth C) first D) third 7

8 54) Write the equation of the line through (40, 6) that is perpendicular to y = ) A) y = - 1 B) x = 40 C) x = - 1 D) y = ) Determine the slope by using the slope formula and any two points on the line. 55) A) m = B) m = -1 C) m = - D) m = 1 56) Use the point-slope formula to write an equation of the line through 5, -5 with slope - 56) 1 4. A) y = x B) y = x + 1 C) y = 4x - 15 D) y = x ) Multiply the real numbers ) A) B) C) D) -4 58) Subtract the numbers (-14) A) 7 B) 18 C) 1 D) -7 58) 59) What is the additive inverse of.7? 59) A) 0 10 B) C) 1 D)

9 60) Simplify A) B) -19 C) 19 D) ) 61) List the coefficients in the expression. 15x - 18x + 7 A) 15, 18, 7 B) 15, -18, 7 C) +, -, + D) 15x, -18x, 7 6) Evaluate the expression below for a = -4, b = -9, and c = -8. (a + b) - c A) - B) 1 C) -1 D) -5 6) Write the product using an exponent A) 6 15 B) 15 6 C) 6 15 D) ) Perform the operations A) 4 B) -16 C) 16 D) -4 65) Solve the equation using the addition or subtraction property of equality. 61) 6) 6) 64) 65) m = 1 4 A) m = B) m = - C) m = 5 8 D) m = 7 66) Solve the equation. 4(t 1) + = (t + 5) A) t = 11 B) t = 5 4 C) t = - D) t = 1 66) 67) The product of ten and the sum of two and a number is five times the number. Find the number. A) 5 B) 5 C) 1 D) 4 67) 68) 190 is 0% of what number? 68) A) 8 B) 15 C) 8 D) 950 9

10 69) If a $7,000 original investment earns simple interest for 5 years, and is worth $11,00, what is the interest rate? A) 1% B) 6.5% C) 1% D) 7.5% 70) A small company keeps track of its monthly profit in relation to the number of workers they employ. Let x represent the number of employees, and let y represent the monthly profit, where each unit in y represents $1,000 in profit. The following ordered pairs describe the profit: (5, 15), (7, 0), (8, 0), (1, 8) Interpret the meaning of the ordered pair (8, 0). A) With 8 employees, the company makes a profit of $0. B) With 0 employees, the company makes a profit of $8000. C) With 0 employees, the company makes a profit of $8. D) With 8 employees, the company makes a profit of $0, ) Are the two lines parallel, perpendicular, or neither? y = -9x + ; y = 9x - 7 A) parallel B) perpendicular C) neither 69) 70) 71) 7) Write the equation of a vertical line that goes through the point (-9, 8). 7) A) x = 8 B) y = -9 C) y = 8 D) x = -9 7) Subtract the numbers A) -4 B) 4 C) 0 D) -1 74) Perform the operations (1-4) A) B) - C) -6 D) 6 75) Solve the equation. 7 t + 4 = 5 + t 7) 74) 75) A) t = B) t = 1 C) t = D) t =

11 76) As a promotional stunt at a professional track meet, a sprinter will race a horse. The sprinter gets a 10 second head start because he's not a horse. If the sprinter's speed is 6 feet per second and the horse's speed is 75 feet per second, how long will it take the horse to overtake the sprinter? A) 5 seconds B).5 seconds C) He never overtakes the sprinter. D) 9. seconds 77) Use the point-slope formula to write an equation of the line through the point (1, 17) that is parallel to the line y - 10x = 1. A) y - 10x = 17 B) y = 10x + 7 C) y = 5x + 1 D) y = 5x ) 77) 78) What is the multiplicative inverse of 88? 78) 1 A) B) -88 C) 0 D) ) Solve the formula M = 1 (h + i + j) for i. 79) A) i = M + h + j B) i = 1 M - h - j C) i = M - h - j D) i = (M - h - j) 80) Find the slope and y-intercept. y = -1x - 15 A) slope: 1 y-intercept: (0, -15) C) slope: 1 y-intercept: (0, 15) B) slope: -1 y-intercept: (0, 15) D) slope: -1 y-intercept: (0, -15) 80) 11

12 Answer Key Testname: PRACTICE 1) C ) C ) D 4) A 5) D 6) D 7) A 8) C 9) D 10) A 11) C 1) A 1) D 14) C 15) A 16) C 17) C 18) D 19) B 0) B 1) B ) D ) D 4) B 5) A 6) C 7) B 8) D 9) A 0) D 1) C ) D ) A 4) A 5) A 6) C 7) D 8) D 9) B 40) B 41) C 4) A 4) B 44) C 45) C 46) D 47) C 48) D 49) D 50) A 1

13 Answer Key Testname: PRACTICE 51) B 5) B 5) A 54) B 55) D 56) A 57) D 58) C 59) D 60) B 61) B 6) D 6) B 64) B 65) C 66) A 67) D 68) D 69) C 70) D 71) C 7) D 7) A 74) C 75) B 76) D 77) C 78) A 79) C 80) D 1