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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. Set of ordered pairs (input and output)






2. Same slopes






3. Shading goes up - or right






4. Horizontal line






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






6. One or more solutions






7. Hard - brackets






8. e.g x






9. No fraction or decimal






10. 1 -2 -3...maybe 0






11. x-value because its value is given






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






13. A=a it is what it is






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






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






16. 'Points' from BOTTOM to TOP






17. Whats worth






18. Soft - parentheses






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






20. Opposite - reciprocal slopes






21. Solid line






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






23. Vertical line






24. Substitute AND simplify






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






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






27. ROW x COLUMN






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






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






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






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






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






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






34. 2 or more inequalities combined conjuction (both are true) -9<-4x-5<3






35. mx+b=y






36. Dotted line






37. Shading goes down - or left






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






39. No solution






40. Intersecting points






41. Put is simplest form






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






43. Solve using every equation (use linear combination)

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






45. A=b - then ac=bc






46. Function whose graph is a line






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






48. [2x+3]=9 - [2x+3]=-9 write it both ways






49. Shaded area






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