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

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

3. Slope of 1/1 - through 0

4. One or more solutions

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

6. Horizontal line

7. 'Points' from BOTTOM to TOP

8. Same slopes

9. Plug in vertices in objective function

10. Opposite - reciprocal slopes

11. Shaded area


13. Solve using every equation (use linear combination)

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

15. No solution

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

17. Set of ordered pairs (input and output)

18. 'Points' from side to side

19. Vertical line

20. Substitute AND simplify

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

22. Solid line

23. e.g x

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

25. Dotted line

26. x-value because its value is given

27. Shading goes down - or left

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

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

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

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

32. A=a it is what it is

33. mx+b=y

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

35. 1 -2 -3...maybe 0

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

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

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

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

40. A=b - then ac=bc

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

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

43. Function whose graph is a line

44. Put is simplest form

45. A=b - then b=a

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

47. Shading goes up - or right

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

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

50. Soft - parentheses