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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. e.g x






2. Solve using every equation (use linear combination)

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3. Substitute AND simplify






4. Put is simplest form






5. Plug in vertices in objective function






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






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






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






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






10. 'Points' from side to side






11. [2x+3]=9 - [2x+3]=-9 write it both ways






12. A=b - then ac=bc






13. Shaded area






14. 1 -2 -3...maybe 0






15. Slope of 1/1 - through 0






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






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






18. Horizontal line






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






20. Dotted line






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






22. mx+b=y






23. Hard - brackets






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






25. No fraction or decimal






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






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






28. A=b - then b=a






29. Shading goes down - or left






30. Solid line






31. x-value because its value is given






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






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






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






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






36. No solution






37. 2 or more inequalities combined conjuction (both are true) -9<-4x-5<3






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






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






40. 'Points' from BOTTOM to TOP






41. ROW x COLUMN






42. Set of ordered pairs (input and output)






43. Intersecting points






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






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






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






47. Opposite - reciprocal slopes






48. Same slopes






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






50. Soft - parentheses