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






2. A=a it is what it is






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






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






5. e.g x






6. Plug in vertices in objective function






7. Shading goes up - or right






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






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






10. [2x+3]=9 - [2x+3]=-9 write it both ways






11. A=b - then b=a






12. 'Points' from BOTTOM to TOP






13. mx+b=y






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






15. Put is simplest form






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






17. 'Points' from side to side






18. Dotted line






19. Same slopes






20. ROW x COLUMN






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






22. Function whose graph is a line






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






24. Shaded area






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






26. Intersecting points






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






28. A=b - then ac=bc






29. Solid line






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






31. Substitute AND simplify






32. No fraction or decimal






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






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






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






36. Shading goes down - or left






37. Whats worth






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






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






40. Soft - parentheses






41. Set of ordered pairs (input and output)






42. Solve using every equation (use linear combination)

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43. x-value because its value is given






44. Horizontal line






45. Hard - brackets






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






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






48. 2 or more inequalities combined conjuction (both are true) -9<-4x-5<3






49. 1 -2 -3...maybe 0






50. One or more solutions