9.02 Parabolas Quiz

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9.02 Parabolas Quiz

Question 1

  1. What is the equation of the following graph?
    parabola opening up, with vertex at (0, 0) and directrix at y equals negative 1
    y equals one-eighth x squared
    x equals one-eighth y squared
    y equals negative one-fourth x squared
    y equals one-fourth x squared

2 points

Question 2

  1. What is the directrix of the following graph?
    parabola opening to the left, with vertex at (0, 0) and directrix at x equals 2

2 points

Question 3

  1. What is the equation of the following graph?
    parabola opening to the right, with vertex at (0, 0) and directrix at x equals negative 5
    y equals one-twentieth x squared
    x equals one-tenth y squared
    y equals one-tenth x squared
    x equals one-twentieth y squared

2 points

Question 4

  1. What is the equation of the following graph?
    parabola opening to the right, with vertex at (4, 3) and directrix at x equals 1
    y minus 4 equals one-twelfth times the quantity x plus 3 squared
    x plus 4 equals one-twelfth times the quantity y plus 3 squared
    x minus 4 equals one-twelfth times the quantity y minus 3 squared
    y minus 4 equals one-twelfth times the quantity x minus 3 squared

2 points

Question 5

  1. What is the vertex of the following graph?
    parabola opening to the right, with vertex at (4, 3) and directrix at x equals 1

2 points

Question 6

  1. What is the directrix for the following graph?
    parabola opening to the right, with vertex at (1, 2) and directrix at x equals negative 1

2 points

Question 7

  1. What is the equation of the parabola with a focus at (0, -5) and directrix y = 5?
    y equals negative one-twentieth times x squared
    y equals one-twentieth times x squared
    x equals negative one-twentieth times y squared
    x equals one-twentieth times y squared

2 points

Question 8

  1. What is the equation of the parabola with a directrix at y = -4 and focus (0, 4)?
    x equals negative one-sixteenth times y squared
    y equals negative one-sixteenth times x squared
    y equals one-sixteenth times x squared
    x equals one-sixteenth times y squared

2 points

Question 9

  1. Write the equation of a parabola with a vertex at (0, 0) and a focus at (0, -5).
    x equals negative one-twentieth y squared
    y equals negative one-twentieth x squared
    y equals one-twentieth x squared
    x equals one-twentieth y squared

2 points

Question 10

  1. What is the axis of symmetry of the following graph?
    parabola with vertex at (3, 0) which opens to the right

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