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Quadratic Equations Questions - All Grades

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Grade 9 Quadratic Equations
Grade 9 Quadratic Equations
Grade 9 Quadratic Equations
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 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
Grade 9 Quadratic Equations
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
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
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
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 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 10 Quadratic Equations CCSS: HSA-CED.A.4
Solve for [math]r[/math].

[math]a=v^2/r[/math]
  1. [math]r=a/v^2[/math]
  2. [math]r=v^2a[/math]
  3. [math]r=v^2/a[/math]
  4. [math]r=sqrt(v)/a[/math]
Grade 10 Quadratic Equations CCSS: HSA-REI.B.4
Factor the expression.
[math]9x^2 + 24x +16[/math]
  1. [math](x + 4)(9x - 1)[/math]
  2. [math](3x + 16)(3x + 1)[/math]
  3. [math](3x + 4)^2[/math]
  4. [math](3x + 8)^2[/math]
Grade 9 Quadratic Equations 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 12 Quadratic Equations CCSS: HSF-LE.B.5
Solve for x: (x-2)(2x+3)=0
  1. -.3
  2. -2,-2/3
  3. 2,-3/2
  4. 2,3/2
Grade 9 Quadratic Equations
If two equations are equal what does that mean?
  1. There is no solution
  2. There are infinite solutions
  3. There is one solution
Grade 11 Quadratic Equations
Solve the quadratic equation [math]7x^2+1=29[/math].
  1. None of these answers.
  2. [math]x=2[/math]
  3. [math]x=-2[/math]
  4. [math]x=+-2[/math]
Grade 9 Quadratic Equations
Solve for x.
[math]8x^2=968[/math]
  1. x=11
  2. x=-31, 31
  3. x=-121, 121
  4. x=-11, 11
  5. x=121
Grade 9 Quadratic Equations CCSS: HSA-REI.A.1
Simplify as much as possible [math]2x-x^2=4-2x-x^2[/math]
  1. [math]x=1/2[/math]
  2. [math]x=2[/math]
  3. [math]x=1[/math]
  4. [math]x^2=2[/math]
Grade 10 Quadratic Equations
Factor the expression.
[math]9x^2 + 24x +16[/math]
  1. [math](x +4)(9x - 1)[/math]
  2. [math](3x + 16)(3x + 1)[/math]
  3. [math](3x + 4)^2[/math]
  4. [math](3x + 8)^2[/math]
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