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Ninth Grade (Grade 9) Math Questions

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Grade 9 Proportional Relationships
[math]a/b=c/d[/math] which is also equal to:
  1. ad=bc
  2. a/c=b/d
  3. b/a=d/c
  4. a+b/b=c+d/d
  5. none of the above
  6. all of the above
Grade 9 Three Dimensional Shapes
Grade 9 Polynomials and Rational Expressions CCSS: HSA-APR.A.1
[math](-4m-n)-(2m+3n)[/math]
  1. [math]-2m-4n[/math]
  2. [math]-6m-4n[/math]
  3. [math]-6m+2n[/math]
  4. [math]-8m-2n[/math]
Grade 9 Algebraic Expressions
Simplify the expression [math]6m + 10 - 10m[/math]
  1. [math]4m + 10[/math]
  2. [math]-4m + 10[/math]
  3. [math]16m + 10[/math]
  4. [math]6m[/math]
Grade 9 Linear Equations
Grade 9 Functions
Simplify the following expression.
[math]3y^2 - 6y + 2 + 3y^2 + 8y[/math]
  1. [math]8y^2 +2[/math]
  2. [math]6y^2 +2 +14y[/math]
  3. [math]6y^2 + 2 - 14[/math]
  4. [math]6y^2 +2y + 2[/math]
Grade 9 Functions
Grade 9 Algebraic Expressions
simplify -2 (3x + 6)
  1. -6x - 12
  2. -6x + 12
  3. -18x
  4. 6x - 12
Grade 9 Metric System and SI
Grade 9 Algebraic Expressions
The best definition for like terms is
  1. the number you multiply a variable by
  2. a letter that represents a number
  3. terms having the same variables and exponent
  4. a polynomial
Grade 9 Inequalities
[math]5x > 85[/math]
  1. 80
  2. 20
  3. 17
  4. 16
Grade 9 Radicals
Solve [math]5sqrtx=45[/math]
  1. x=3
  2. x=9
  3. x=81
  4. no solution
Grade 9 Radicals
Simplify [math]sqrt800[/math]
  1. [math]2sqrt200[/math]
  2. [math]4sqrt50[/math][math]20sqrt2[/math]
  3. [math]20sqrt2[/math]
Grade 9 Linear Equations
Which equation represents the graph of the line?
Graph - Linear Function y=1/2x
  1. [math]y=-1/2x[/math]
  2. [math]y=-1/2x^2[/math]
  3. [math]y=1/2x^2[/math]
  4. [math]y=1/2x[/math]
Grade 9 Metric System and SI
Which is the SI unit of mass?
  1. meter
  2. liter
  3. gram
  4. pound
Grade 9 Exponents
Which set of ordered pairs satisfies an exponential function?
  1. {(-2,1),(-8,2), (-32, 3), (-128, 4)}
  2. {(-1,2),(0,10), (1, 50), (2, 250)}
  3. {(1,2),(1,6), (1, 18), (1, 54)}
  4. {(1,2),(2,4), (3, 6), (4, 8)}
Grade 9 Algebraic Expressions
Which of the following is showing like terms?
  1. [math]-3 , -6x, -9y, -10z[/math]
  2. [math]x, 5x, 6xy, 10x^2[/math]
  3. [math]5y, 5x, 5z, 5m[/math]
  4. [math]y, -8y, .7y, -100y[/math]
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