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Algebra Formulas

Subjects : math, algebra
Instructions:
  • Answer 50 questions in 15 minutes.
  • If you are not ready to take this test, you can study here.
  • Match each statement with the correct term.
  • Don't refresh. All questions and answers are randomly picked and ordered every time you load a test.

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. Correct result - but doesn't work in equation






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






3. e.g x






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






5. Shading goes down - or left






6. Substitute AND simplify






7. 2 or more inequalities combined conjuction (both are true) -9<-4x-5<3






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






9. Hard - brackets






10. Same slopes






11. Shaded area






12. Vertical line






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






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






15. ROW x COLUMN






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






17. One or more solutions






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






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






20. Plug in vertices in objective function






21. 'Points' from side to side






22. Intersecting points






23. A=b - then ac=bc






24. 1 -2 -3...maybe 0






25. Solve using every equation (use linear combination)

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26. Put is simplest form






27. A=b - then b=a






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






29. Soft - parentheses






30. Set of ordered pairs (input and output)






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






32. A=a it is what it is






33. mx+b=y






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






35. No solution






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






37. 'Points' from BOTTOM to TOP






38. x-value because its value is given






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






40. Solid line






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






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






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






44. [2x+3]=9 - [2x+3]=-9 write it both ways






45. Dotted line






46. Opposite - reciprocal slopes






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






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






49. Slope of 1/1 - through 0






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