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Ninth Grade (Grade 9) Quadratic Equations and Expressions Questions

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Grade 9 Quadratic Equations and Expressions
Grade 9 Quadratic Equations and Expressions
Grade 9 Quadratic Equations and Expressions
Grade 9 Quadratic Equations and Expressions
Grade 9 Quadratic Equations and Expressions
Grade 9 Quadratic Equations and Expressions
Grade 9 Quadratic Equations and Expressions
Solve the equation [math]x^2-2x-35=0[/math]
  1. x=-7 and x=5
  2. x=-7 and x=-5
  3. x=7 and x=-5
  4. x=7 and x=5
Grade 9 Quadratic Equations and Expressions
Grade 9 Quadratic Equations and Expressions
Grade 9 Quadratic Equations and Expressions
Grade 9 Quadratic Equations and Expressions
Grade 9 Quadratic Equations and Expressions CCSS: HSA-REI.A.1
Simplify as much as possible [math]x+2x^2-3=-5x+x^2-12[/math]
  1. [math]x=0[/math]
  2. [math]x=-3[/math]
  3. [math]x^2=-9[/math]
  4. [math]x=6[/math]
Grade 9 Quadratic Equations and Expressions
Which expression is equivalent to [math](2x+3)(x-1)[/math]?
  1. [math]2x^2+x-3[/math]
  2. [math]2x^2+x+3[/math]
  3. [math]2x^2+3x+3[/math]
  4. [math]2x^2+3x-3[/math]
Grade 9 Quadratic Equations and Expressions
Grade 9 Quadratic Equations and Expressions
Factor:
[math]x^2-81[/math]
  1. (x+9)(x-9)
  2. (x+9)(x+9)
  3. (x-9)(x-9)
  4. Unfactorable
Grade 9 Quadratic Equations and Expressions
Which equation represents the graph of the parabola?
Graph - Quadratic Function y=1/2x^2
  1. [math]y = 1/2x[/math]
  2. [math]y =-1/2x[/math]
  3. [math]y = 1/2x^2[/math]
  4. [math]y=-1/2x^2[/math]
Grade 9 Quadratic Equations and Expressions
Solve:
[math]2x^2-4x-3=0[/math]
  1. [math]x=1+-2sqrt10[/math]
  2. [math]x=2+-sqrt10[/math]
  3. [math]x=(2+-sqrt10)/2[/math]
  4. [math]x=(2+-sqrt2)/2[/math]
Grade 9 Quadratic Equations and Expressions CCSS: HSA-REI.A.1
[math]x+2x^2-3=4x+x^2+2[/math] is equivalent to
  1. [math]3x^2-x+5=0[/math]
  2. [math]x^2-3x=5[/math]
  3. [math]x^2-5=-3x[/math]
  4. [math]x^2-5=3x[/math]
Grade 9 Quadratic Equations and Expressions CCSS: HSA-APR.A.1
Solve for [math]x[/math].
[math]3x^2-4=8[/math]
  1. x = -1, 1
  2. x = 12
  3. x = 4
  4. x = -2, 2
  5. x = 3
Grade 9 Quadratic Equations and Expressions
If two equations are equal what does that mean?
  1. There is no solution
  2. There are infinite solutions
  3. There is one solution
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