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






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






3. e.g x






4. 'Points' from side to side






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. Put is simplest form






7. 1 -2 -3...maybe 0






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






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






10. Shading goes up - or right






11. Vertical line






12. Dotted line






13. Solve using every equation (use linear combination)

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14. Function whose graph is a line






15. mx+b=y






16. 'Points' from BOTTOM to TOP






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






18. No fraction or decimal






19. A=b - then ac=bc






20. x-value because its value is given






21. ROW x COLUMN






22. Hard - brackets






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






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






25. A=a it is what it is






26. Plug in vertices in objective function






27. [2x+3]=9 - [2x+3]=-9 write it both ways






28. Whats worth






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






30. Opposite - reciprocal slopes






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






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






33. Intersecting points






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






35. Set of ordered pairs (input and output)






36. Same slopes






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






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






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






40. 2 or more inequalities combined conjuction (both are true) -9<-4x-5<3






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






42. No solution






43. Soft - parentheses






44. Solid line






45. Horizontal line






46. One or more solutions






47. Shading goes down - or left






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






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






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