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maths

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Given the quadratic equation y = -x^2 + 2x + 3.
a) Will the graph turn upwards or downwards?
b)What are the coordinates of x and y intercepts?
c)What is the coordinate of the turning point?
d)Use your answer in parts (a,b,c,and d) to sketch the graph.

  • maths - ,

    a) the -x^2 tells you
    b) y=(3-x)(x+1)
    c) vertex at x = 1

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