MULTIPLE CHOICE. Choose the one alternative that best completes the statement or answers the question.

Transcription

1 Exam Name MULTIPLE CHOICE. Choose the one alternative that best completes the statement or answers the question. Decide if the given number is a solution to the given equation. ) p + 3p - 2 = 62; 8 ) A) Yes B) No 2) m + = 42; 7 2) A) Yes B) No Solve the equation using the addition principle. 3) 8 = x + 7 3) A) B) - C) D) - 4) h + 3 = 6 4) A) B) 3 C) 3 D) 9 ) x = 4 ) A) 7 3 B) 3 C) 7 D) 7 3 6) x = - 2 6) A) B) 3 0 C) - 2 D) 2 Solve using the multiplication principle. 7) -x = -20 7) A) -9 B) 20 C) -20 D) ) 8 = -2k 8) A) B) 20 C) -9 D) -20 9) - t 8 = 9) A) -80 B) -9 C) -88 D) -77 0) 4 x = 8 0) A) 32 B) 0 C) 44 D) 36

2 ) - k = - 4 ) A) - B) 7 C) 8 D) 20 2) -.8y = ) A) - 8 B) C) -8 D) ) - x = ) 8 A) B) C) 22.8 D) Solve. 4) 2 = x ) A) 2 B) 2 C) 6 D) 2 ) 9 - p = -7 ) A) 6 B) - 2 C) - 6 D) - 6) - 0x = x - 8x ) A) 20 B) 20 C) 3 D) Solve. Clear fractions first. 7) 2 x - 3 x = 7) A) 0 B) -0 C) -7 D) 7 8) y = y - 2 8) A) 2 3 B) 3 C) 6 D) 4 Solve. 9) 4.8x - 3.2x = -.2 9) A) 9 B) 20 C) 8 D) 7 Solve. Clear decimals first. 20) 6.96x = 2.32x ) A) 7 B) -28 C) 28 D) -7 Solve. 2) 6(8x - ) = 24 2) A) 23 B) C) 3 D)

3 22) (y - 9) - (y + 8) = 4y 22) A) - B) - C) - 7 D) ) 2.(x + 2.) -. = 4(x + ) ) A) 2. B) 8. C) 4. D) 2. 24) 8k + 78 = 4(2k + 9) 24) A) -2 B) All real numbers C) No solution D) 2 2) (9 - r) - r = (2 + 3r) 2) A) -9 B) All real numbers C) No solution D) 8 26) F = 9 C + 32 for C 26) A) C = F B) C = 9 (F - 32) C) C = F - 32 D) C = 9 (F - 32) 27) x = w + y + z 9 for y 27) A) y = 9x + w + z B) y = 9x - w - z C) y = x - w - z - 9 D) y = 9x - 9w - 9z Solve the problem. Round to the nearest hundredth, if necessary. 28) What is % of 600? 28) A) 30 B) 300 C) 3 D) ) What number is 60% of 33? 29) A) 3,600 B) 3.6 C) 360 D) 36 30) 8 is 9% of what number? 30) A) 2000 B) 20 C) 62 D) 200 Solve the problem. Round to the nearest tenth of a percent. 3) 93 is what percent of 898? 3) A) 0.% B) 48.% C) 0.% D) 207.9% 32) What percent of 7 is 0.03? 32) A) 0.4% B) 4.3% C) 233.3% D) 42.9% 3

4 Answer the question. 33) In a school survey, students showed these preferences for instructional materials. Answer the question. 33) About how many students would you expect to prefer written materials in a school of 90 students? A) About 7 students B) About 342 students C) About 86 students D) About 9 students Solve the problem. 34) The parking lot at a grocery store has 90 cars in it. 90% of the cars are blue. How many cars are blue? A) 0 cars B) 8 cars C) 00 cars D) 80 cars 34) 3) Andy left a % tip for a meal that cost $47. What was the total cost of the meal including the tip? 3) A) $7.0 B) $39.9 C) $6.0 D) $4.0 36) Jennifer's annual salary was $23,000 last year and increased 37% this year. Find Jennifer's current annual salary. A) $28,490 B) $40,020 C) $80 D) $3,0 36) 37) The sum of three consecutive integers is 363. Find the integers. 37) A) 2, 22, 23 B) 20, 2, 22 C) 9, 20, 2 D) 9, 2, 23 38) If the first and third of three consecutive odd integers are added, the result is 7 less than five times the second integer. Find the third integer. A) 9 B) 38 C) 7 D) 2 38) 39) Find the measure of each angle in the triangle. (n + 28) 39) (n - 20) (n + 7) A), 3, 22 B) 7, 7, C), 03, 22 D) 3, 03, 22 40) A baseball team played 4 complete games last season. They had 30 fewer wins than losses. How many games did the team win? A) 30 games B) 4 games C) 92 games D) 62 games 40) 4

5 Graph the inequality. 4) -3 x < 4) A) B) C) D) Solve using the addition principle. Graph and write set-builder notation for the answer. 42) 9t - 2 8t ) A) {t t } B) {t t < 9} C) {t t > 9} D) {t t } Solve using the multiplication principle. 43) -4k < 3 43) A) k k < - 2 B) k k > - 2 C) k k > 2 D) k k < 2 Solve using the addition and multiplication principles. 44) x + 3 > x ) A) x x > B) x x < 4 C) x x < 4 D) x x > 2

6 Solve the problem. 4) One side of a rectangle is 6 inches and the other side is x inches. What values of x will make the perimeter at least 8? A) x < 3 B) 0 < x 3 C) x 3 D) x 3 4) Graph the linear equation. 46) y = 2x ) A) B) C) D) Find the coordinates of the y-intercept for the given equation. 47) x - y = 30 47) A) (0, -6) B) (0, 6) C) (, ) D) (0, 30) 6

7 Find the coordinates of the y-intercept and the coordinates of the x-intercept. 48) 48) A) (0, -4), (-2, 0) B) (-4, -2), (0, 0) C) (0, -2), (-4, 0) D) (0, 0), (-2, -4) Find the coordinates of the y-intercept and the x-intercept, in that order. 49) -2x + 4y = 8 49) A) (0, -8) (0, -8) B) (-4, 0) (0, 2) C) (-4, -8) (-8, 8) D) (-8, 0) (-8, 0) Find the x- and y-intercepts for the equation. Then graph the equation. 0) 4x - 8y = 8 0) A) (0, -), (-2, 0) B) (0, -), (2, 0) 7

8 Find the slope of the line. ) ) A) B) - C) 6 D) -6 Graph the line containing the given pair of points and find the slope. 2) (2, -4) (-, 2) 2) A) 2 B) - 2 8

9 C) 2 D) - 2 Find the slope of the line going through the pair of points. 3) ( 4, 2), ( 3, -3) 3) 4 A) - 0 B) 0 C) - 0 D) - 2 Find the slope of the line. 4) 3x + 4y = 2 4) A) 4 3 B) C) D) 3 4 Solve the problem. ) The following graph shows data for a recent train ride from New York to Toronto. Find the rate of change of the distance from New York with respect to time, in miles per hour. ) Time of Day (PM) A) miles per hour B) 40 miles per hour C) 0 miles per hour D) 00 miles per hour 9

10 Draw a line that has the given slope and y-intercept. 6) Slope - ; y-intercept (0, 4) 6) A) B) C) D) 0

11 Graph using the slope and the y-intercept. 7) 2x - y = 6 7) A) B) C) D)

12 Graph the linear inequality. 8) 3x + y 3 8) A) B) C) D) Express using positive exponents. Then simplify. 9) ) A) 2 B) 8 C) - 8 D) ) ) A) 4 B) - 4 C) 4 D) - 4 2

13 Multiply and simplify. 6) x x -8 6) A) x 9 B) x 7 C) x 7 D) x 9 Divide and simplify. 62) (26x) (26x) 6 62) A) 26x B) x C) 26x D) 26x 63) z-7 z - 63) A) z 2 B) z 2 C) z 2 D) z -2 Simplify. 64) 3 2y 3 64) A) 27y3 8 B) 27 8y C) 27 8y 3 D) 27 2y 3 If the number in the statement is written in scientific notation, write it without exponents. If it is written without exponents, write it in scientific notation. 6) The speed of light is.86 0 miles per hour. 6) A) 8,600,000 B),860,000 C) D) 86,000 Multiply or divide and write scientific notation for the result ) 3 0- A) 6 08 B) C) D) ) Evaluate the polynomial. 67) -6x3 - x2 + 2, when x = -2 67) A) 30 B) 40 C) 28 D) 70 Write the number in scientific notation. 68) 890,000 68) A) B) C) D) Simplify. 69) -2(x2y)-2 69) A) -2 x 4 y 2 B) (-2) 2 x 4 y 2 C) -2x4y2 D) -4x2y2 3

14 Subtract. 70) (-9x7 + 8x x8) - (-4-9x8 + 4x9-3x7) 70) A) 4x9-2x8-2x7-2 B) 2x9-2x8-2x7-4 C) 4x9 + 6x8-6x7-4 D) 2x9-2x8-2x7-2 Multiply. 7) (4x - 8)(x + 2) 7) A) x2 + 40x + 39 B) 4x2 + 39x - 96 C) 4x2 + 40x - 96 D) x2-96x ) (x - 0.9)(x + 0.9) 72) A) x B) x C) x 2 -.8x D) x 2 -.8x ) (-m 2 + m + 7)(-m + 2) 73) A) 2m 3-33m + 4 B) 2m 3 - m 2-33m + 4 C) 2m 3 - m 2-33m + 4 D) -0m 2-33m + 4 Subtract. 74) (2x + 7xy - 8y) - (0x - 7xy - 30y) 74) A) x - 24xy - 38y B) x + 24xy + 22y C) 6xy D) 8x - xy + 38 Perform the division. 7) -6x 3-4x2-6x - 9 4x + 3 7) A) -4x2-3 B) -4x2 + 2x - 3 C) x2-2x + 3 D) x2 + 2x - 3 4

15 Answer Key Testname: UNTITLED ) A 2) B 3) A 4) B ) A 6) D 7) B 8) C 9) C 0) B ) D 2) C 3) B 4) D ) A 6) C 7) D 8) C 9) C 20) D 2) B 22) D 23) A 24) C 2) B 26) B 27) B 28) A 29) D 30) D 3) B 32) A 33) C 34) B 3) D 36) D 37) B 38) D 39) C 40) D 4) C 42) D 43) B 44) B 4) C 46) A 47) A 48) A 49) B 0) B

16 Answer Key Testname: UNTITLED ) B 2) B 3) A 4) B ) C 6) B 7) A 8) B 9) C 60) A 6) C 62) D 63) C 64) C 6) D 66) D 67) B 68) D 69) A 70) C 7) C 72) B 73) B 74) B 7) B 6