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Ninth Grade (Grade 9) Arithmetic and Number Concepts Questions

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Grade 9 Systems of Equations CCSS: HSA-REI.C.6
Solve the system of equations.
[math]-x+y=3[/math]
[math]x+y=7[/math]
  1. x=3, y=1
  2. x=2, y=5
  3. x=1, y=1
  4. x=4, y=2
  5. x=5, y=2
Grade 9 Systems of Equations CCSS: HSA-REI.C.6
Grade 9 Systems of Equations CCSS: HSA-REI.C.6
Two or more linear equations in the same variable form
  1. a point of intersection.
  2. a solution of a linear system.
  3. perpendicular lines.
  4. a system of linear equations.
Grade 9 Systems of Equations CCSS: HSA-REI.C.6
Solve the system of equations.
[math]x+3y=9[/math]
[math]4x-2y=-6[/math]
  1. x=0, y=0
  2. x=3, y=7
  3. x=1, y=2
  4. x=3, y=3
  5. x=0, y=3
Grade 9 Systems of Equations CCSS: HSA-REI.C.6
There are three ways to solve systems of linear equations. One is graphing. What are the other two?
  1. elimination, substitution
  2. linear combinations, eliminations
  3. eliminations, graphing
  4. substitution, graphing
Grade 9 Systems of Equations CCSS: HSA-REI.C.6
Grade 9 Systems of Equations CCSS: HSA-REI.C.6
2x + 9y = 0
3x + 5y = 17
  1. (-9, 2)
  2. (-9, -0)
  3. (9, -2)
  4. (-2, 9)
Grade 9 Systems of Equations CCSS: HSA-REI.C.6
Which system of equations has no solutions?
  1. [math]a - b = 2, \ \ \ b = -a - 3[/math]
  2. [math]a-b=3, \ \ \ a+b=-2[/math]
  3. [math]-a+b=-2, \ \ \ b=a+3[/math]
  4. [math]a+b=3, \ \ \ -a+b=2[/math]
Grade 9 Proportional Relationships
[math]a/b=c/d[/math] is also equal to which of the following?
  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 Systems of Equations
Which of the following is NOT a method for solving systems of linear equations?
  1. Solve by graphing.
  2. Solve by substitution.
  3. Solve by elimination.
  4. Solve by contribution.
Grade 9 Systems of Equations CCSS: HSA-REI.C.6
Grade 9 Literal Equations CCSS: HSA-CED.A.4
Solve the following formula for [math]w[/math].

[math]V=lwh[/math]
  1. [math]w=Vlh[/math]
  2. [math]w=l/(Vh)[/math]
  3. [math]w=V/(lh)[/math]
  4. [math]w=V+l+h[/math]
Grade 9 Systems of Equations CCSS: HSA-REI.C.6
Grade 9 Number Types
Name all the sets to which the following number belongs. [math]sqrt16[/math]
  1. Irrational
  2. Rational only
  3. Rational & Integer
  4. Rational, Integer, Whole, & Natural
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