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Algebra Formulas

Subjects : math, algebra
  • Answer 50 questions in 15 minutes.
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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. Set of all SECOND coordinates of the ordered pairs e.g. y (x -y)(output value - ordinate)

2. e.g x

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

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

5. 'Points' from side to side

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

7. Soft - parentheses

8. Put is simplest form

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

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

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

12. Same slopes

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

14. Solve using every equation (use linear combination)

15. 'Points' from BOTTOM to TOP

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

17. Horizontal line

18. Plug in vertices in objective function

19. Hard - brackets

20. Set of all FIRST coordinates of the ordered pairs e.g. x (x -y)(input value - abscissa)

21. 1 -2 -3...maybe 0

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

23. A=b - then b=a

24. Shaded area

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

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

27. Vertical line

28. Opposite - reciprocal slopes

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

30. Shading goes down - or left

31. 2 or more inequalities combined conjuction (both are true) -9<-4x-5<3

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

33. Whats worth

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

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

36. Set of ordered pairs (input and output)

37. No fraction or decimal

38. A=a it is what it is

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

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

41. [2x+3]=9 - [2x+3]=-9 write it both ways

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

43. Shading goes up - or right

44. Slope of 1/1 - through 0

45. Dotted line

46. Intersecting points

47. x-value because its value is given

48. Function whose graph is a line

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

50. A=b - then ac=bc