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Algebra Formulas

Subjects : math, algebra
  • Answer 50 questions in 15 minutes.
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  • Match each statement with the correct term.
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This is a study tool. The 3 wrong answers for each question are randomly chosen from answers to other questions. So, you might find at times the answers obvious, but you will see it re-enforces your understanding as you take the test each time.
1. f(x -y)=x + y

2. Same slopes

3. Shading goes up - or right

4. Horizontal line

5. Intersecting points

6. A=b - b=c - then a=c

7. Solve for (3x-4)(x+5)

8. A=a it is what it is

9. 'Points' from side to side

10. One or more solutions

11. e.g x

12. Solve using every equation (use linear combination)

13. Change one equation with LCM (i think) and add up - cancelling one variable out

14. Set of ordered pairs (input and output)

15. Ax+By=C (letters are real - not zero)

16. 1 -2 -3...maybe 0

17. If IxI>5 then x>5 or x<-5

18. Rectangular array of #s written w/brackets (classified by # of numbers in row and column e.g. 3x3)

19. # set (2 -3) in x+1=y - 2+1=3

20. Vertical line

21. Hard - brackets

22. Change of grouping a+(b+c)=(a+b)+c

23. Undoes operation a+(-a)=0

24. y-value - because its value depends on the x-value

25. Set might require positive integers - natural #s - positive reals - etc.

26. Put is simplest form

27. Soft - parentheses

28. y-y{2}=m(x-x{2})

29. mx+b=y

30. Relations do not have all points in common e.g diff. lines that may intersect

31. Substitute AND simplify

32. Set of all SECOND coordinates of the ordered pairs e.g. y (x -y)(output value - ordinate)

33. Correct result - but doesn't work in equation

34. Whats worth

35. Function whose graph is a line

36. Slope of 1/1 - through 0

37. No solution

38. [2x+3]=9 - [2x+3]=-9 write it both ways

39. Second step to linear combo. Fill in variable for whatever you solved for OR change equation to y= or x=

40. Opposite - reciprocal slopes

41. Dotted line

42. 2 or more inequalities combined conjuction (both are true) -9<-4x-5<3

43. x-value because its value is given

44. No fraction or decimal

45. A relation in which each element of the domain is paired with one element in the range (no repeated x - however y can repeat)

46. Shading goes down - or left

47. Change of order a+b+c=a+c+b

48. Relations have all points in common e.g same line

49. A=b - then ac=bc

50. Plug in vertices in objective function