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Prentice Hall Algebra 1 Cumulative Review

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Which Expression Has The Greatest Value D

Prentice Hall Pre Algebra – Math Homework Help – MathHelp.com

19. Solve the following system by elimination. x 5 4, y 5 23 3y 2 1.6x 5 215.4 8y 2 2x 5 23220. The first equation in a system of two equations is 2x 2 3y 5 9. The graph of the second equation does not intersect the first. Write a possible second equation for the system. Justify your response. Answers may vary. Sample: y 5 23x 1 3 both equations have x and y as variables the line for the second equation must be parallel to the rst, so the slopes must be the same the y-intercepts are different.21. Write a function rule to describe the amount of money you have left from a weekly paycheck if you earn $12 per hour, you have $15.50 deducted per week for medical insurance, and you make a weekly car loan payment of $50. f 5 12x 2 65.5 where x is hours worked

Use Words To Describe The Relationship Modeled By The Equation

For Exercises 111, choose the correct letter. 1 1. What is true about the graphs of y 5 24x 1 6 and y 5 4x 1 6? C A. They are parallel. C. They are perpendicular. B. They have the same slope. D. They do not intersect.

2. A mail order company sells boxes of fishing lures for $26.95 per box. A charge of $8.95 is added to orders, regardless of the order size. Which of the following equations models the relationship between the number of boxes ordered and the total cost of the order? I F. c 5 26.95w w $ 1 H. c 5 w w $ 1 G. 8.95c 5 26.95w w $ 1 I. c 5 26.95w 1 8.95 w $ 1

A 4x 2 Y 1 1 5 0 No Solution B 2x 2 Y 1 4 5 0 Innitely Many

13. Open-Ended Write a question that can be solved using a system of linear equations.

18. A companys sales of garden tractors increased about 106% 2 from 2007 to 2008. The number of tractors sold in 2007 was 1 x 347. How many tractors were sold in 2008? about 715 O 1 2 3 4 5 6 7

19. Southside Bowling Alley charges $3 for the first game and $.50 for each additional game. Eastside Bowling Alley charges $1 per game. How many games would you have to bowl to make Southside the less expensive choice? 6 games

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What Is The Value Of 15 2 D

6. Which values of x and y will make the expression 32 equal to 3? H F. x 5 22 and y 5 1 H. x 5 21 and y 5 3 G. x 5 22 and y 5 23 I. x 5 21 and y 5 23

7. The sum of two consecutive integers is 153. Which equation can be used to find the first integer n? A A. 2n 1 1 5 153 C. n 1 1 5 153 B. 2n 5 153 D. 2n 1 2 5 153

Prentice Hall Algebra 1 Teaching Resources

A. 5xy2 B. C. D. x y2 5y2 6. Simplify . H F. 3×2 2 4 G. 3×2 2 11x 2 4 H. 3×2 1 11x 2 4 I. 3×2 1 13x 2 4

7. A scuba diver at a depth of 80 ft begins her ascent to the ocean surface. Her rate of change in depth is 2ft/s. Which expression represents her depth in feet t seconds after she begins her ascent? B A. 2t 2 80 B. 80 2 2t C. 280 2 2t D. 80 1 2t

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