3Rd Nine Weeks Test

3rd Nine Weeks Test

Write the ratio as a fraction in simplest form.

____ 1. 35 to 60 a. c.

Find the unit rate.

____ 2. a. c.

Write the equivalent rate.

____ 3. a. 15 c. 1.65 b. 2.5 d. 5940 ____ 4. Which is the best buy? a. $30.10 for 14 loaves of bread b. $25.92 for 12 loaves of bread c. $32.85 for 15 loaves of bread d. $17.60 for 8 loaves of bread ____ 5. Write the ratio of consonants to vowels in WINDSOR in lowest terms. a. 1:2 c. 2:5 b. 2:1 d. 5:2

Solve the proportion.

____ 6. a. b. c. d.

____ 7. A worker in an assembly line takes 9 hours to produce 22 parts. At that rate, how many parts can she produce in 27 hours? a. 594 parts b. 3 parts c. 132 parts d. 66 parts

____ 8. If trapezoid is similar to trapezoid , which is a pair of corresponding sides?

a. c. and and b. d. and and

____ 9. Given find x. (The figures may not be drawn to scale.)

a. 20 cm c. 19 cm b. 23 cm d. 18 cm ____ 10. The extendable ramp shown below is used to move crates of fruit to loading docks of different heights.

are similar. When the horizontal distance AB is 2 feet, the height of the loading dock, BC, is 1 feet. What is the height of the loading dock, DE? (Diagram not drawn to scale.) 1 ft

2 ft 10 ft

a. 10 ft c. 2 ft b. 30 ft d. 6 ft ____ 11. A spinner has five equal portions colored orange, red, blue, yellow, and green. What are the odds against spinning a red or an orange? a. c.

____ 12. If you spin the spinner, what is the probability of landing on B?

a. 1 c. 1 4

b. 1 d. 3 8 8

Use the percent equation to answer the question.

____ 13. 22 is what percent of 220? a. b. 90% c. 10% d. 22%

Find the new amount.

____ 14. Increase 60 by 90%.

a. 6 b. 54 c. 114 d. 150

Use the given information to find the new amount.

____ 15. Original price: $28 Discount percent: 25%

a. $27.30 b. $7.00 c. $35.00 d. $21.00

Find the simple interest earned on the account.

____ 16.

a. $57.29 b. $3.25 c. $52 d. $13

Find the slope of the line passing through the points.

____ 17. a. 0 c. 15 8

b. 2 d. undefined

Find the slope and y-intercept of the line with the given equation.

____ 18. a. 3 18 c. 18 3 slope: ; y-intercept: slope: ; y-intercept: b. 3 18 d. 18 3 slope: ; y-intercept: slope: ; y-intercept:

Write the equation of the graph in slope-intercept form.

____ 19. a. c.

Write an equation of the line that contains the given points.

____ 20. a. 1 1 c. 1 10 3 10 3

b. 10 d. 1 10

Write an equation of the line that is perpendicular to the given line and passes through the given point.

____ 21. ; a. c.

Simplify the expression.

____ 22.

a. b. c. d.

____ 23. A telephone pole breaks and falls as shown.

To the nearest foot, what was the original height of the pole?

a. 19 ft b. 17 ft c. 18 ft d. 16 ft

Find the distance between the points. Write your answer in simplest form.

____ 24.

a. 136 b. 26 c. 26 d. 2 34

Find the midpoint of the segment with the given endpoints.

____ 25.

a. c. 17 7  –17, 7 2 2 , b. 3 5 d.  2 2 3, –5 , 3rd Nine Weeks Test Answer Section

1. ANS: A PTS: 1 DIF: Level A REF: MLPA0236 TOP: Lesson 6.1 Ratios and Rates KEY: ratio | fraction | reduce | lowest terms BLM: Knowledge NOT: 978-0-618-79813-1 2. ANS: D PTS: 1 DIF: Level B REF: MLPA0561 TOP: Lesson 6.1 Ratios and Rates KEY: word | unit rate BLM: Knowledge NOT: 978-0-618-79813-1 3. ANS: C PTS: 1 DIF: Level B REF: MLPA0241 TOP: Lesson 6.1 Ratios and Rates KEY: ratio | convert | equivalent | unit BLM: Knowledge NOT: 978-0-618-79813-1 4. ANS: A PTS: 1 DIF: Level B REF: HMBM0454 TOP: Lesson 6.1 Ratios and Rates KEY: rate BLM: Application NOT: 978-0-618-79813-1 5. ANS: D PTS: 1 DIF: Level B REF: MOT70625 TOP: Lesson 6.1 Ratios and Rates KEY: ratio | lowest terms BLM: Comprehension NOT: 978-0-618-79813-1 6. ANS: B PTS: 1 DIF: Level A REF: MLPA0767 NAT: NCTM 6-8.NOP.3.d TOP: Lesson 6.2 Writing and Solving Proportions KEY: solve | whole | proportion | cross product BLM: Knowledge NOT: 978-0-618-79813-1 7. ANS: D PTS: 1 DIF: Level B REF: DBBM0411 TOP: Lesson 6.2 Writing and Solving Proportions KEY: ratio | word | proportion BLM: Application NOT: 978-0-618-79813-1 8. ANS: B PTS: 1 DIF: Level B REF: MLPA0264 NAT: NCTM 6-8.GEO.1.b TOP: Lesson 6.4 Similar and Congruent Figures KEY: identify | similar | polygon | side | corresponding BLM: Knowledge NOT: 978-0-618-79813-1 9. ANS: A PTS: 1 DIF: Level A REF: MLPA0271 NAT: NCTM 6-8.GEO.1.b | NCTM 6-8.MEA.2.e | NCTM 6-8.NOP.3.d STA: OK.PASS.MTH.02.8.4.2 TOP: Lesson 6.5 Similarity and Measurement KEY: ratio | solve | proportion | similar | polygon BLM: Comprehension NOT: 978-0-618-79813-1 10. ANS: D PTS: 1 DIF: Level B REF: HMBM0558 NAT: NCTM 6-8.MEA.2.e | NCTM 6-8.NOP.3.d | NCTM 6-8.NOP.1.d | NCTM 6-8.GEO.1.b STA: OK.PASS.MTH.02.6-8.3.4 | OK.PASS.MTH.02.8.2.1.c | OK.PASS.MTH.02.8.4.2 TOP: Lesson 6.5 Similarity and Measurement KEY: ratio | word | proportion | right | similar | triangle BLM: Application NOT: 978-0-618-79813-1 11. ANS: D PTS: 1 DIF: Level A REF: MLPA0282 NAT: NCTM 6-8.DAP.4.c TOP: Lesson 6.7 Probability and Odds KEY: odds | event | BLM: Comprehension NOT: 978-0-618-79813-1 12. ANS: B PTS: 1 DIF: Level B REF: MPAL0015 TOP: Lesson 6.7 Probability and Odds KEY: probability | spinner BLM: Comprehension NOT: 978-0-618-73961-5 13. ANS: C PTS: 1 DIF: Level A REF: MLC20462 TOP: Lesson 7.4 The Percent Equation KEY: percent equation | find the percent BLM: Knowledge NOT: 978-0-618-79813-1 14. ANS: C PTS: 1 DIF: Level B REF: MLPA0321 TOP: Lesson 7.5 Percent of Change KEY: finding new amount | percent of increase BLM: Knowledge NOT: 978-0-618-79813-1 15. ANS: D PTS: 1 DIF: Level A REF: MLPA0323 TOP: Lesson 7.6 Percent Applications KEY: discount | finding new amount BLM: Knowledge NOT: 978-0-618-79813-1 16. ANS: C PTS: 1 DIF: Level A REF: MLPA0333 TOP: Lesson 7.7 Simple and Compound Interest KEY: simple interest BLM: Knowledge NOT: 978-0-618-79813-1 17. ANS: A PTS: 1 DIF: Level A REF: MLC30340 STA: OK.PASS.MTH.02.8.4.3.a.II TOP: Lesson 8.4 The Slope of a Line KEY: line | slope | point | coordinate | undefined BLM: Comprehension NOT: 978-0-618-79813-1 18. ANS: A PTS: 1 DIF: Level B REF: MLPA0365 NAT: NCTM 6-8.ALG.2.b TOP: Lesson 8.5 Slope-Intercept Form KEY: line | slope | y-intercept BLM: Comprehension NOT: 978-0-618-79813-1 19. ANS: A PTS: 1 DIF: Level B REF: MLPA0774 NAT: NCTM 6-8.ALG.2.b STA: OK.PASS.MTH.02.8.1.1.b TOP: Lesson 8.5 Slope-Intercept Form KEY: line | equation | graph | slope-intercept BLM: Comprehension NOT: 978-0-618-79813-1 20. ANS: B PTS: 1 DIF: Level B REF: MPAL0025 NAT: NCTM 6-8.ALG.2.b TOP: Lesson 8.6 Writing Linear Equations KEY: linear | equation | point | slope-intercept BLM: Comprehension NOT: 978-0-618-79813-1 21. ANS: C PTS: 1 DIF: Level B REF: MPAL0028 TOP: Lesson 8.6 Writing Linear Equations KEY: slope | point | parallel | perpendicular | slope-intercept BLM: Comprehension NOT: 978-0-618-79813-1 22. ANS: A PTS: 1 DIF: Level B REF: MLPA0421 TOP: Lesson 9.2 Simplifying Square Roots KEY: simplifying expressions | square root | quotient property of square roots BLM: Comprehension NOT: 978-0-618-79813-1 23. ANS: B PTS: 1 DIF: Level A REF: HMBM0679 STA: OK.PASS.MTH.02.8.3.2 TOP: Lesson 9.3 The Pythagorean Theorem KEY: word | right triangles | Pythagorean | hypotenuse BLM: Knowledge NOT: 978-0-618-79813-1 24. ANS: D PTS: 1 DIF: Level A REF: MLPA0442 STA: OK.PASS.MTH.02.8.4.3.a.II TOP: Lesson 9.5 The Distance and Midpoint Formulas KEY: distance formula BLM: Comprehension NOT: 978-0-618-79813-1 25. ANS: C PTS: 1 DIF: Level A REF: MLPA0443 STA: OK.PASS.MTH.02.8.4.3.a.II TOP: Lesson 9.5 The Distance and Midpoint Formulas KEY: midpoint formula BLM: Comprehension NOT: 978-0-618-79813-1