The graph of the quadratic function f x x 2 x 8 intersects the y...
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The graph of the quadratic function f x x 2 x 8 intersects the y axis at 0 c a Find the value of c C 8 The vertex of the function is 3 12 5 b Write down the equation for the axis of symmetry of the graph The equation f x 12 has two solutions The first solution is x 10 c d e Use the symmetry of the graph to show that the second solution is x 4 om Write down the x intercepts of the graph On graph paper draw the graph of y f x for 10 x 4 and 14 y 14 Use a scale of 1 cm to represent 1 unit on the x axis and 1 cm to represent 2 units on the y axis
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