Math Practice Topic: Variable Substitution 2

Description: Evaluate expressions with multiple variables, sometimes with exponents. You may need pencil and paper.

Adaptive Learning Progression: Starts simple, the introduces exponents and then negative numbers.

Sample Levels (out of 8)

Evaluate.

1.
Evaluate: -y + 2z + 3x - z - 3x
where x=5,y=4,z=6.

Evaluate.

1.
Evaluate: - 2y 2 - 3y 3 + 3y 3 - y 2
where y=2.
2.
Evaluate: 3x 3 - 2z + z + 3z 3
where x=2,z=2.

Evaluate.

1.
Evaluate: 2z 2 - y 3 - x 3 + 2y
where x=-1,y=-2,z=1.
2.
Evaluate: 2y 3 - 2z 3 - 2x + 3z
where x=-5,y=-1,z=-1.
3.
Evaluate: 2y - 3z 3 + 2x + y
where x=2,y=-6,z=1.

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