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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. No fraction or decimal






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






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






4. Opposite - reciprocal slopes






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






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






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






8. Soft - parentheses






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






10. A=b - then b=a






11. ROW x COLUMN






12. Hard - brackets






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






14. e.g x






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






16. Shaded area






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






18. Substitute AND simplify






19. Whats worth






20. x-value because its value is given






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






22. No solution






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






24. 'Points' from side to side






25. Put is simplest form






26. Solve using every equation (use linear combination)

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27. A=b - then ac=bc






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






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






30. Intersecting points






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






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






33. Slope of 1/1 - through 0






34. Plug in vertices in objective function






35. 2 or more inequalities combined conjuction (both are true) -9<-4x-5<3






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






37. Vertical line






38. Horizontal line






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






40. Shading goes up - or right






41. Dotted line






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






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






44. Same slopes






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






46. Shading goes down - or left






47. Set of ordered pairs (input and output)






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






49. A=a it is what it is






50. 1 -2 -3...maybe 0