2. Algebra & Functions Hosted by Math Slam © Don Link, Indian Creek School, 2004 Jeopardy

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4. (7AF1.1): Write an algebraic expression for seven less than twice a number x What is 2x-7?

5. (7AF1.3): Factor 3x – 3y. What is 3(x – y)?

6. (7AF2.1): Write X 3 without an exponent. What is x∙x∙x?

7. (7AF4.1*): What value of x satisfies the Equation 4x + 2 = 22? What is 5?

8. (7AF4.2*): The distance a spring stretches varies directly with the force applied to it. If a 7-pound weight stretches a spring a distance of 24.5 inches, how far will the spring stretch if a 12-pound weight is applied? What is 42 inches?

9. What is n/3 > (x+5)/2? (7AF1.1): The quotient of a number n and 3 is at least half of the sum of a number x and five.

10. (7AF1.3*): Which property is used in the equation 12(x + 4) = 12x + 48? What is distributive property?

11. Simplify What is 4a 3 ?

12. (7AF3.1): Graph y = x 2

13. Write the equation of he line in Slope intercept form. What is y = x + 5?

14. What is the slope of the line? What is 3/4?

15. What slope of the line? What is -1/2?

16. What is the value of X if -3x + 2 = -7? What is 3?

17. (7AF4.2*): Marisa’s car gets an average of 28 miles per gallon of gas. She plans to drive 200 miles today and 220 miles tomorrow. How many gallons of gas should she expect to use in all? What is 15?

18. (7AF3.4*): Bananas are on sale at the price of 3 pounds for $1.00. Which graph shows the relationship between the number of pounds of bananas bought and the total cost. What is first graph?

19. What value of x makes the equation true? What is 18?

20. (7AF4.1*): What is the solution set of the inequality 4z + 5 > -27? What is ? What is {z: z > -8}?

21. Joan needs $60 for a class trip. She has $32. She can earn $4 an hour mowing lawns. How many hours must Joan work to have the money she needs? What is 7 hours?

22. (7AF4.2*): Juanita earns $36 for 3 hours of work. At that rate, how long would she have to work to earn $720? What is 60 hours?

23. (7AF1.5 ): The table at the right shows the charges for renting and racing a go-cart. Which graph that best represents these prices? What is D?

24. (7AF1.3*): Write the name of the property used in each equation. (4 + 3) + 6 = 6 + (4 + 3) _______________ (12 + 4) + 6 = 12 + (4 + 6) __________________ What is commutative and associative ?

25. (7AF1.3*): Explain what the inverse property of multiplication means? What is multiplying by the reciprocal?

26. he What is the equation of the line in slope intercept form? What is y = 2x -5?

27. (7AF4.2*) A train traveled at an average speed of 45 miles per hour for 2 hours and 30 miles per hour for 3 hours. What is the total number of miles that the train traveled? What is 180miles?

28. (7AF4.2*): Mr. Callaway needs to purchase enough grass seed to cover a 3000-square-foot lawn and a 4200-square-foot lawn. If 40 ounces of grass seed will seed a 2400-square-foot lawn, how many ounces does he need to seed both lawns? What is 120 ounces?