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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. Opposite - reciprocal slopes






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






3. Solid line






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






5. A=a it is what it is






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






7. 'Points' from side to side






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






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






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






11. 1 -2 -3...maybe 0






12. Intersecting points






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






14. Shading goes down - or left






15. Whats worth






16. Shaded area






17. Plug in vertices in objective function






18. Set of ordered pairs (input and output)






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






20. Substitute AND simplify






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






22. ROW x COLUMN






23. Vertical line






24. Put is simplest form






25. No fraction or decimal






26. e.g x






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






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






29. No solution






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






31. Shading goes up - or right






32. Slope of 1/1 - through 0






33. [2x+3]=9 - [2x+3]=-9 write it both ways






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






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






36. One or more solutions






37. Solve using every equation (use linear combination)

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38. Hard - brackets






39. Horizontal line






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






41. A=b - then b=a






42. A=b - then ac=bc






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






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






45. Dotted line






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






47. Function whose graph is a line






48. x-value because its value is given






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






50. mx+b=y