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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. 'Points' from side to side

2. A=b - then b=a

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

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

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

6. Substitute AND simplify

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

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

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

10. Set of ordered pairs (input and output)

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

12. A=b - then ac=bc

13. Soft - parentheses

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

15. mx+b=y

16. f(x -y)=x + y


18. Solid line

19. Shading goes down - or left

20. Solve using every equation (use linear combination)

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

22. [2x+3]=9 - [2x+3]=-9 write it both ways

23. e.g x

24. One or more solutions

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

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

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

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

29. Original status a+0=a - ax1=a

30. 'Points' from BOTTOM to TOP

31. Vertical line

32. Hard - brackets

33. Slope of 1/1 - through 0

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

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

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

37. Intersecting points

38. Plug in vertices in objective function

39. Horizontal line

40. Shading goes up - or right

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

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

43. Dotted line

44. Put is simplest form

45. No fraction or decimal

46. Function whose graph is a line

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

48. Function in mx+b=y form whose graph is a line

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

50. x-value because its value is given