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Algebra Unit 1: Foundations for Algebra

Algebra Unit 1: Foundations for Algebra. Write an algebraic expression for a number, n less than 18. 18-n. How is the algebraic expression for the quotient of x and 10 different from the expression for the quotient of 10 and x?. The quotient of x and 10 is The quotient of 10 and x is.

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Algebra Unit 1: Foundations for Algebra

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  1. AlgebraUnit 1: Foundations for Algebra

  2. Write an algebraic expression for a number, n less than 18.

  3. 18-n

  4. How is the algebraic expression for the quotient of x and 10 different from the expression for the quotient of 10 and x?

  5. The quotient of x and 10 is • The quotient of 10 and x is

  6. Simplify the expression

  7. 34

  8. Simplify the expression

  9. 54

  10. Simplify the expression

  11. Which mathematical property is illustrated by the statement -3 + 0 = -3

  12. Additive Identity

  13. Which mathematical property is illustrated by the statement (8+9)+9 = 8 + (9 + 9)

  14. Associative Property of Addition

  15. Simplify each expression 1.) -6 + (-10) 2.) 50 – 83 3.)

  16. 1.) -16 2.) -33 3.) -1/2

  17. Simplify each expression 1.) -3.2 + 5.7 2.) 3.)

  18. 1.) 2.5 2.) -48 3.)

  19. Find the value of when x = and y =

  20. Simplify the expression using the Distributive Property

  21. 7 + 7r

  22. Which is the solution to the equation y = 10x (2,20) or (20,2) ?

  23. (2,20)

  24. I am 5 years older than my sister. Let x = my age and y = my sister’s age. Write 2 different expressions that describe this situation.

  25. x = y + 5 Or y = x-5

  26. Which word phrase describes the expression 4x+2? a.) 4 times the sum of a number x and two b.) a number x times the sum of 4 and 2 c.) the sum of 4 times a number x and 2

  27. C

  28. Evaluate for a = 30, b = 6, s=4, and t=-1

  29. 9

  30. Evaluate - for a = -3

  31. -81

  32. A square has an approximate area of 229 square feet. What is the length of a side of the square to the nearest whole number?

  33. 15 feet

  34. To which subsets of the real numbers does the number 18 belong?

  35. Natural numbers, whole numbers, rational numbers and integers

  36. Order from greatest to least

  37. A hot air balloon ascends into the air 512 feet. It then descends 200 feet. Find the total elevation.

  38. 312 feet in the air

  39. What difference is equivalent to

  40. 4x-5

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