Forms of Quadratics
K - University grade
1136 times
Mathematics
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4 years ago
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20 QuestionsShow answers
  • Question 1
    60 seconds
    Q. What is the vertex of
    f(x) = 2(x - 5)2 + 12
    answer choices
    (-5, -12)
    (5,-12)
    (5, 12)
    (-5, 12)
  • Question 2
    60 seconds
    Q. What is another name for the x-intercepts of a quadratic?
    answer choices
    y-intercept
    Zeros
    x-axis
    They don't have another name
  • Question 3
    60 seconds
    Q. What is the intercept form of the quadratic shown?
    answer choices
    f(x) = -x(x - 4)
    f(x) = x(x - 4)
    f(x) = -x(x + 4)
    f(x) = x(x + 4)
  • Question 4
    60 seconds
    Q. What are the roots of the function
    f(x)= (x - 2)(x + 3)?
    answer choices
    x = - 2 or x = 3
    x = 2 or x = -3
    The are no real roots
    x = 2 or x = 3
  • Question 5
    60 seconds
    Q. If the quadratic has a positive 'a' coefficient, what direction does the parabola open?
    answer choices
    Up
    Down
  • Question 6
    60 seconds
    Q. What is the y-intercept of 
    f(x)=2x2 + 4x + 6
    answer choices
    (6 , 0)
    (-6 , 0)
    (0, -6)
    (0 , 6)
  • Question 7
    30 seconds
    Q. What is the shape created by a football thrown in the air
    answer choices
    U
    parabola
    quadratic
    function
  • Question 8
    60 seconds
    Q. What are the x-intercepts of 
    f(x)=(x - 10)(x + 10)
    answer choices
    10
    (10 , 0) and (-10 , 0)
    (0, -10) and (0, 10)
    0
  • Question 9
    60 seconds
    Q. All Parabolas contain a vertex, when it opens up, this point is called a what?
    answer choices
    Maximum
    Minimum
  • Question 10
    60 seconds
    Q. True or False:
    The domain of a quadratic is all real numbers.
    answer choices
    False
    True
  • Question 11
    60 seconds
    Q. Is this function wider, narrower, or the same as y=x2?
    f(x) = - .4(x-7)2 - 9
    answer choices
    Wider
    Narrower
    Same
  • Question 12
    60 seconds
    Q. Is this function wider, narrower, or the same as y=x2?
    f(x) = -6(x-7)2 - 9
    answer choices
    Wider
    Narrower
    Same
  • Question 13
    60 seconds
    Q. What is the
    y-intercept of 
    f(x)=-2x2 + 4x - 6
    answer choices
    (0, 6)
    (0, -6)
    (6, 0)
    (-6, 0)
  • Question 14
    30 seconds
    Q. True or False:  To use the quadratic formula equations should be in standard form and set equal to 1. 
    answer choices
    True
    False
  • Question 15
    120 seconds
    Q. Find the axis of symmetry for the function:
    f(x) = 2x2 - 4x - 6
    answer choices
    x = 1
    x = -1
    x = 4
    x = -4
  • Question 16
    60 seconds
    Q. What is the equation for the axis of symmetry of 
    f(x)= (x +1)2 + 5
    answer choices
    x = 1
    x = -1
    x = -5
    x = 5
  • Question 17
    30 seconds
    Q. Which term makes a function a quadratic function?
    answer choices
    x2
    x
  • Question 18
    60 seconds
    Q. What are the zeros for the function
    f(x) = (x + 7)(x + 5)
    answer choices
    (7 , 0) and (5 , 0)
    (0 , 7) and (0 , 5)
    (-7 , 0) and (-5 , 0)
    (7 , 0) and (5 , 0)
  • Question 19
    60 seconds
    Q. What is the vertex form of this quadratic?
    answer choices
    f(x) = -(x - 2)2 + 0
    f(x) = (x - 2)2 + 0
    f(x) = -(x + 2)2 + 0
    f(x) = (x + 2)2 + 0
  • Question 20
    60 seconds
    Q. What is the vertex form of this quadratic?
    answer choices
    f(x) = -(x + 2)2 - 4
    f(x) = (x - 2)2 + 4
    f(x) = (x - 2)2 - 4
    f(x) = -(x - 2)2 - 4
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