Unit 7 Review

Unit 7 Review

Multiple Choice

Solve the system of equations

y=2x-4

y=-x+2

• (0,-2)

• (2,0)

• (5,3)

• (-2,0)

Multiple Choice

Solve the system of equations using substitution and perform a check by substituting your solution into the original equations.

y=3x

x+2y=-21

• (7,3)

• (9,8)

• (2,-5)

• (-3,-9)

Multiple Choice

Solve the system of two linear equations below algebraically using substitution.

7x+y=6

y=x-2

• (-1,1)

• (-7,1)

• (1,-1)

• (4/3, 2/3)

Multiple Select

Determine an appropriate strategy and solve the following system of equations.

y=-4x

y=2x+3

• Substitution

• Elimination

• Graphing

Multiple Choice

Abigail decided to solve the following system of two linear equations by graphing. Do you agree or disagree with Abigail’s decision? Why?

-6x+5y=4

x-5y=16

• Agree,Graphing

• Disagree, Graphing

• Disagree, Substitution

• Disagree, Elimination

Multiple Select

Determine an appropriate strategy and solve the following system of equations.

-2x+2y=-2

3x+4y=11

• Substitution

• Elimination

• Graphing