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Unit 1- Module 5
Solving Systems of Linear Equations by Graphing and Substitution
Question | Answer |
---|---|
Solve the systems of equation by graphing. Give an ordered pair. x+y=7 x-y=5 | (6,1) |
Solve the systems of equation by graphing. Give an ordered pair. [y=4x+5 and y=2x+5] | (0,5) |
Solve the systems of equation by graphing. Give an ordered pair. [y+3x=-2 and 9x+3y=-6] | Infinitely many solutions |
Solve by using the substitution method. [x+5y=1 and x=-4y] | (-4,1) |
Solve by using the substitution method. [y=5x+7 and y=7x+8] | (1/2,9/2) |
Solve by using the substitution method. [3x+2y+2=-21+7y-x and x+3x=y+5] | (-3,7) |
Solve by using the substitution method. [2x+y+2=-18+5y-x and x+2x=y+4] | (4,8) |