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Lesson 4.5 , For use with pages 243-250

2. 5. Lesson 4.5 , For use with pages 243-250. 1. Rewrite 5 x + y = 8 in slope intercept form. y = –5 x + 8. ANSWER. 2. Find the “B” and the “M” of # 1 and graph it. B = 8, M = -5/1. ANSWER. 3. Find the slope of the line that passes through (–5, 6) and (0, 8). ANSWER.

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Lesson 4.5 , For use with pages 243-250

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  1. 2 5 Lesson 4.5, For use with pages 243-250 1.Rewrite 5x+ y= 8 in slope intercept form. y = –5x + 8 ANSWER 2. Find the “B” and the “M” of # 1 and graph it. B = 8, M = -5/1 ANSWER 3. Find the slope of the line that passes through (–5, 6) and (0, 8). ANSWER

  2. Find the x-intercept and the y-intercept. • 6x - 3y = -3 x(-1/2, 0) y(0,1) ANSWER 2. Identify the slope and y-intercept. 3x + 2y = -8 m = -3/2, b = -4 ANSWER • Write an equation of the line with the given: • (0,4) and (6, 13) ANSWER

  3. Final Test Review

  4. Algebra I Review Click on the correct answer for each problem.

  5. Simplify: c ∙ c ∙ c ∙ d ∙ d ∙ c ∙ d A. c4 d3 B. 12cd C. 4c + 3d D. c4 + d3

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  8. Simplify: 2 ∙ a ∙ a ∙ a ∙ b ∙ a A. 2a + b B. 2a3 + b2 C. 2a4 b D. 8ab3

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  11. Simplify: 3 ∙ f ∙ f ∙ (–2) ∙ f A. –6f3 B. 3f – 2f C. –5f3 D. f6

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  14. Karen wants to fence in her rectangular garden plot. How much fence will she need if her garden measures 60 feet by 100 feet? A. 320 feet B. 160 feet C. 220 feet D. 600 feet

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  17. 5. How much chain link fence will Bob need to enclose the rectangular lot shown in the drawing? 25’ 30’ A. 750 feet B. 55 feet C. 110 feet D. 7500 feet

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  20. Simplify: (2x + 1)(x – 5) A. 3x – 4 B. 2x2 – 10x – 5 C. 2x2 – 9x – 5 D. 2x2 + 11x + 4

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  23. Simplify: (3x + 2)(4x – 1) A. 7x + 1 B. 12x2 + 5x – 2 C. 12x2 + 11x – 2 D. 12x2 – 5x – 3

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  26. (4x + 5)(2x + 3) A. 6x + 8 B. 8x2 + 15 C. 6x2 + 26x + 15 D. 8x2 + 22x + 15

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  29. 9. Which of these lines has a 0 slope? A. C. B. D.

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  32. Which of these lines has a negative slope? A. C. B. D.

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  35. There are 15 glazed donuts and 9 crème-filled donuts in a box. Which of these is the correct ratio of glazed donuts to crème-filled donuts? A. 3 to 5 B. 8 to 3 C. 5 to 3 D. 7 to 3

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  38. On an English test, 18 students received an A while 15 students received a B. What is the correct ratio of students receiving an A to students receiving a B? A. 5 to 6 B. 3 to 2 C. 4 to 3 D. 6 to 5

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  41. A league has 780 players with 400 nine year-olds and the rest ten year-olds. What is the ratio of nine year-olds to ten year-olds? A. 39 to 20 B. 20 to 19 C. 39 to 19 D. 9 to 10

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  44. 14. A team played 28 games and lost 7. If there were no tie games, what is the correct ratio of wins to total games? A. 3 to 2 B. 3 to 1 C. 4 to 3 D. 3 to 4

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  47. There are 1200 cars in a fleet and 640 are new cars. What is the ratio of new cars to old cars? A. 75 to 4 B. 15 to 8 C. 8 to 7 D. 7 to 15

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