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Algebra I

Algebra I. Warm-up 13. 1. Using the graph shown below, what is the effect of tripling the slope?. The line is reflected across the y axis The x-intercept is divided by 3 The x-intercept is tripled. The y-intercept increases.

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Algebra I

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  1. Algebra I Warm-up 13

  2. 1. Using the graph shown below, what is the effect of tripling the slope? • The line is reflected across the y axis • The x-intercept is divided by 3 • The x-intercept is tripled. • The y-intercept increases.

  3. 2. The Senior Class is planning a trip to a water park. For a group, Splash Texas water park charges $8.95 per person plus $24.95 for the group pavilion. Texas Harbor water park charges $15.95 for a group pavilion and $9.25 per person. Which of the following best describes their options? • For more than 27 students, Splash Texas is a better deal. • For 31 students and more Splash Texas is a better deal. • For 31 students and more Texas Harbor is a better deal. • For less than 31 student it doesn’t matter which park they choose.

  4. 3. What is the new equation for the graph below, if the slope is divided by 2 and the y-intercept is doubled?

  5. 6 in. 4 in. 4 in. 6 in. 2 in. 2 in. 2 in. 2 in. 4 in. 4 in. 4 in. 4 in. 8 in. 8 in. 8 in. 8 in. 4. Which 3-dimensional object is best represented by these three views? 4 in. 4 in 2 in 2 in 8 in. Front View 4 in. 4 in 2 in Side fiew 2 in 4 in 2 in 4 in Top View A. C. D. B.

  6. 5. The following graph represents the number of child tickets and adult tickets that must be sold to raise $450. Which represents the maximum number of adult tickets they must sell to raise exactly $450? • 100 • 90 • 50 • 1.8

  7. 6. The photo shop charges $4 for the first 20 3x5 prints and $0.15 for each additional print. What is the independent variable in the equation, C = 4 + 0.15(p – 20), for total cost C of p prints? A. total cost B. 3x5 C. number of prints D. 20 prints

  8. 7. What is the domain of the function f(x) = -2x + 1, if the range is {-11,-13,-15}? • {6, 7, 8} • {5, 6, 7} • {23,26,31} • {-21,-25,-29}

  9. 8. Jerome owns an Italian restaurant, that sells 2 sizes of pizza, regular and large. The regular pizza has a diameter of 12 inches and sells for $12. The large pizza has a diameter of 16 inches and sells for $16. What is the ratio of the area of the regular pizza to the large pizza?

  10. 9. What is the equation of the line that passes through (-9,2) and (3,-6)?

  11. Wanda is making Christmas Tree ornaments. The frame of this ornament is made by cutting an 18 inch long pipe cleaner into equal pieces to form the cube shown below. She will then cover the cube in gold fabric. How many square inches of fabric are needed for each cube? • 1.5 inches • 13.5 inches • 18 inches • 30.2 inches

  12. A1 warm-up 13 1 B obj 3, A.6C (Ac2C) 2 B obj 4, A.8C (Ac4C) 3 C obj 3, A.6C (Ac2C) 4 D obj 7, 8.7A 5 C obj 3, A.6B (Ac2B) 6 C obj 1, A.1A (Ab1A) 7 A obj 2, A.2B (Ab2B) 8 A obj 9, 8.1B 9 C obj 3, A.6D (Ac2D) 10 B obj 8, 8.8C

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