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






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






3. mx+b=y






4. Whats worth






5. e.g x






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






7. One or more solutions






8. Hard - brackets






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






10. 'Points' from BOTTOM to TOP






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






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






13. No solution






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






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






16. Same slopes






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






18. A=b - then ac=bc






19. Solve using every equation (use linear combination)

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20. Shading goes up - or right






21. Solid line






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






23. Function whose graph is a line






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






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






26. 2 or more inequalities combined conjuction (both are true) -9<-4x-5<3






27. Shading goes down - or left






28. Intersecting points






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






30. Opposite - reciprocal slopes






31. 1 -2 -3...maybe 0






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






33. Slope of 1/1 - through 0






34. A=b - then b=a






35. Shaded area






36. Plug in vertices in objective function






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






38. Put is simplest form






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






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






41. 'Points' from side to side






42. Soft - parentheses






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






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






45. ROW x COLUMN






46. Substitute AND simplify






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






48. Set of ordered pairs (input and output)






49. Vertical line






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