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Eighth Grade (Grade 8) Function and Algebra Concepts Questions

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Grade 8 Linear Equations CCSS: 8.EE.C.7, 8.EE.C.7b
Solve:
2x+34=x4
  1. x=-3
  2. x-1
  3. x=-1
  4. x=3
Grade 8 Functions and Relations CCSS: 8.F.A.3
The equation x=-3 is
  1. linear.
  2. nonlinear.
  3. not a function.
  4. both a and c.
Grade 8 Systems of Equations CCSS: 8.EE.C.8, 8.EE.C.8b
What is the solution to y=-2x+10 and y=x-2?
  1. (-2,5)
  2. (2,5)
  3. (4,2)
  4. No solution
Grade 8 Linear Equations
y=73x+5
If x is -9, then what is y?
  1. 2.333...
  2. -21
  3. -16
  4. -66
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 Radicals CCSS: 8.EE.A.2
What is the square root of 16?
  1. 3
  2. 4
  3. 2
  4. 8
Grade 8 Linear Equations CCSS: 8.EE.B.5
The slope of this graph is
Graph - Linear Function y=1/2x
  1. equal to 1.
  2. greater than 1.
  3. less than 1.
  4. negative.
Grade 8 Radicals CCSS: 8.EE.A.2
What is the square root of 81?
  1. 9
  2. 8
  3. 7
  4. 6
  5. 5
  6. 4
  7. 3
  8. 2
Grade 8 Systems of Equations CCSS: 8.EE.C.8, 8.EE.C.8b
The lines 4y-3y=3x+8 and y=3x+5 have
  1. no solutions.
  2. 1 solution.
  3. infinitely many solutions.
  4. 2 solutions.
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 Algebraic Expressions
A symbol (usually a letter) that represents one or more numbers.
  1. coefficient
  2. base
  3. variable
  4. exponent
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. y=-13x
  2. y=-3x
  3. y=-52x-3
  4. y=-8x
Grade 8 Linear Equations
What is the Y-INTERCEPT of 4x + 10 = -2y?
  1. 10
  2. 5
  3. -2.5
  4. -5
Grade 8 Linear Equations
What is the slope of y = 3x + 1?
  1. 3x
  2. 3
  3. -1
  4. 1
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
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