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Ninth Grade (Grade 9) Quadratic Equations and Expressions Questions

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Grade 9 Quadratic Equations and Expressions CCSS: HSF-IF.B.4
Which function has a y-intercept of 4?
  1. y=2x2+1
  2. y=2x2+4x
  3. y=2x2-4
  4. y=2x2+4
Grade 9 Quadratic Equations and Expressions CCSS: HSA-REI.B.4, HSA-REI.B.4b
Solve:
2x2-4x-3=0
  1. x=1±2√10
  2. x=2±√10
  3. x=2±√102
  4. x=2±√22
Grade 9 Quadratic Equations and Expressions CCSS: HSA-REI.B.4, HSA-REI.B.4b
Solve for x.
8x2=968
  1. x=11
  2. x=-31, 31
  3. x=-121, 121
  4. x=-11, 11
  5. x=121
Grade 9 Quadratic Equations and Expressions
Which is a factor of x2-11x+24?
  1. x + 3
  2. x - 3
  3. x + 4
  4. x - 4
Grade 9 Quadratic Equations and Expressions CCSS: HSA-SSE.B.3, HSA-SSE.B.3a
Factor. 4x2+12x+5
  1. (x)(5x-4)
  2. (x-1)(5x)
  3. (x+1)(4x+5)
  4. (2x+1)(2x+5)
Grade 9 Quadratic Equations and Expressions
This line divides a parabola into two matching halves and always passes through the vertex of the parabola.
  1. Axis of Symmetry
  2. Vertex
  3. Vertical Translation
  4. Divide
Grade 9 Quadratic Equations and Expressions
Which equation does have a real number solution?
  1. x2+5x+7=0
  2. x2+7x+11=0
  3. 2x2+8x+9=0
  4. 3x2+3x+4=0
Grade 9 Quadratic Equations and Expressions CCSS: HSA-SSE.B.3, HSA-SSE.B.3b
Complete the square to find the minimum or maximum value.
x2+12x-3
  1. 0
  2. -39
  3. -365
  4. -234
Grade 9 Quadratic Equations and Expressions CCSS: HSA-SSE.B.3, HSA-SSE.B.3b
Complete the square to find the minimum or maximum value.
x2+5x-2
  1. -10
  2. 33
  3. -334
  4. -2
Grade 9 Quadratic Equations and Expressions CCSS: HSA-SSE.B.3, HSA-SSE.B.3b
Complete the square to find the minimum or maximum value.
x2-5x+8
  1. 275
  2. 74
  3. -715
  4. 173
Grade 9 Quadratic Equations and Expressions CCSS: HSA-SSE.B.3, HSA-SSE.B.3a
Which of the following shows 9t2+12t+4 factored completely?
  1. (3t+2)2
  2. (3t+4)(3t+1)
  3. (9t+4)(t+1)
  4. 9t2+12t+4
Grade 9 Quadratic Equations and Expressions
Which equation does NOT have a real number solution?
  1. x2+2x+1=0
  2. x2+4x+32=0
  3. x2+8x+12=0
  4. x2+10x+16=0
Grade 9 Quadratic Equations and Expressions CCSS: HSA-SSE.B.3, HSA-SSE.B.3b
Complete the square to find the minimum or maximum value.
x2+12x-35
  1. -1710
  2. 256
  3. -5380
  4. 2358
Grade 9 Quadratic Equations and Expressions CCSS: HSA-SSE.B.3, HSA-SSE.B.3b
Complete the square to find the minimum or maximum value.
x2+18x-81
  1. 182
  2. 0
  3. -81
  4. -162
Grade 9 Quadratic Equations and Expressions CCSS: HSA-REI.B.4, HSA-REI.B.4b
2x2-x-3=0
  1. 3,-1
  2. -1,32
  3. -1,3
  4. 12,3
Grade 9 Quadratic Equations and Expressions CCSS: HSA-SSE.B.3, HSA-SSE.B.3a
Factor. y2-11y+18
  1. (y-9)(y+2)
  2. (y-9)(y-2)
  3. (y+6)(y+3)
  4. (y-3)(y-6)
Grade 9 Quadratic Equations and Expressions
The shape of the parabola when it goes upward infinitely.
  1. Concave Down
  2. Concave Up
  3. Minimum
  4. Maximum
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