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Eighth Grade (Grade 8) Functions and Relations Questions

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Grade 8 Functions and Relations CCSS: 8.F.A.3
Is this graph linear?
Graph - Linear Function y=-2x
  1. Yes
  2. No
  3. Not enough information
  4. Sometimes
Grade 8 Functions and Relations CCSS: 8.F.A.3
Is this graph linear?
Graph - Quadratic Function y=-1/2x^2
  1. Yes
  2. No
  3. Not enough information
  4. Sometimes
Grade 8 Functions and Relations CCSS: 8.F.A.3
The equation [math]y=-2x^2+2[/math] is
  1. Linear
  2. Nonlinear
  3. Not a function
  4. Both B and C
Grade 8 Functions and Relations CCSS: 8.F.A.3
Is this graph linear?
Graph - Linear Function y=-1/2x
  1. Yes
  2. No
  3. Not enough information
  4. Sometimes
Grade 8 Functions and Relations CCSS: 8.F.A.2
Which equation has a smaller rate of change than this graph? Graph - Linear Function y=-1/2x
  1. [math]y=-1/3x[/math]
  2. [math]y=-3x[/math]
  3. [math]y=-5/2x-3[/math]
  4. [math]y=-8x[/math]
Grade 8 Functions and Relations CCSS: 8.F.A.3
The equation [math]1-3x^2-y=2x-3+2y[/math] is
  1. Linear
  2. Nonlinear
  3. Not a function
  4. Both A and C
Grade 8 Functions and Relations CCSS: 8.F.A.1
Which of the following relations is also a function?
  1. {(2,4), (3,5), (2,7)}
  2. {(3,5), (4,6), (3,7)}
  3. {(-2,1), (-2,3), (6,5)}
  4. {(10,0), (2,4), (-2,6)}
Grade 8 Functions and Relations
A domain is
  1. a mathematical sentence starting that two quantities are equal.
  2. an expression that has a root.
  3. the set of x-coordinates in a relation.
Grade 8 Functions and Relations CCSS: 8.F.A.1
Which sets of ordered pairs represent functions?
  1. {(4,6) (5,7) (6,8) (7,9)}
  2. {(1,8) (2,8) (3,8) (4,8) (5,8)}
  3. {(2,4) (2,7) (6,4) (12,10) (15,5)}
  4. {(3,5) (3,9) (3,11) (3,15)}
Grade 8 Functions and Relations
Grade 8 Functions and Relations CCSS: 8.F.A.1
This is a function.
Graph - Quadratic Function y=2x^2
  1. True
  2. False
  3. Sometimes
  4. Not enough information
Grade 8 Functions and Relations CCSS: 8.EE.C.7, 8.EE.C.7a
Solve the equation:
[math]2(-3x+5)-12=9x-3(5x+4)[/math]
  1. Infinitely Many Solutions
  2. x = 1
  3. x = 0
  4. No Solution
Grade 8 Functions and Relations CCSS: 8.F.A.3
The equation [math]x=-3[/math] is
  1. Linear
  2. Nonlinear
  3. Not a function
  4. Both A and C
Grade 8 Functions and Relations CCSS: 8.F.A.3
Is this graph linear?
Graph - Linear Function y=x
  1. Yes
  2. No
  3. Not enough information
  4. Sometimes
Grade 8 Functions and Relations CCSS: 8.F.A.3
The equation [math]y=-15x+13[/math] is
  1. Linear
  2. Nonlinear
  3. Not a function
  4. Both B and C
Grade 8 Functions and Relations CCSS: 8.F.A.3
The equation [math]x+5+7y=12+7y[/math] is
  1. Linear
  2. Nonlinear
  3. Not a function
  4. Both A and C
Grade 8 Functions and Relations CCSS: 8.F.A.1
This is not a function.
Graph - Quadratic Function y=-1/2x^2
  1. False
  2. True
  3. Not enough information
  4. Sometimes
Grade 8 Functions and Relations CCSS: 8.F.A.1
This is a function.
Graph - Linear Function y=1/2x
  1. No
  2. Yes
  3. Not enough information
  4. Sometimes
Grade 8 Functions and Relations CCSS: 8.F.A.1
This is a function.
Sin X
  1. False
  2. True
  3. Not enough information
  4. Sometimes
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