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Short Quiz in Math 9 represents a quadratic function using: (a) table of values; (b) graph; and (c) equation

Quiz by Quizalize Premium (Philippines)

Grade 9
Mathematics
Philippines Curriculum: Grades 1-10

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5 questions
Show answers
  • Q1
    What are the x-intercepts of the graph of the quadratic function f(x) = 2x2+x-15?
    -3 and 0
    -5/2 and 3
    1/2 and 3/2
    -3 and 5/2
    30s
    M9AL-Ig-3
  • Q2
    The graph of y=x2+4x-12 is shown. How are the solutions of x2+4x-12=0 shown on this graph?
    there are two solutions to the equation and they are the intercepts of the graph.
    here are two solutions to the equation and they are the intercepts of the graph.
    There is one solution and it is the vertex of the graph. There are two solutions to the equation and they are the intercepts of the graph.
    There are three solutions to the equation and they are the intercepts of the graph.
    30s
    M9AL-Ig-3
  • Q3
    Which quadratic function in standard form can be represented by a graph that has a vertical expansion of 5 and a vertex of (4, -2)?
    5x2+40x+78
    5x2-40x+78
    5x2-40x-82
    5x2-40x-78
    30s
    M9AL-Ig-3
  • Q4
    The table shows some of the values of the function x2-4x-12. According to this table, what are the roots of the equation x2-4x-12=0?
    -2 and 6
    -12 and -2
    -4 and -2
    0 and -12
    30s
    M9AL-Ig-3
  • Q5
    For the function y = f (x) graphed, which equation below represents f(x)?
    y = (x + 4)2 + 4
    (x - 6)(x - 2)
    All of the above
    y = x2-8x-12
    30s
    M9AL-Ig-3

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