mac 1105 #3.pdf WITH ANSWERS - MAC1105 College Algebra...

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MAC1105 College Algebra Review for Exam #3(HMW#10 - 13) Find the coordinates of the vertex for the parabola defined by the given quadratic function. 1) f(x) = 6 - (x + 5) 2 2) f(x) = x 2 - 6 3) f(x) = x 2 + 10x + 8 4) f(x) = 8 - x 2 - 2x Find the axis of symmetry of the parabola defined by the given quadratic function. 5) f(x) = 8 - (x + 4) 2 6) f(x) = 11(x - 5) 2 + 4 7) f(x) = - x 2 - 12x + 1 8) f(x) = - 6x 2 - 12x + 9 Find the range of the quadratic function. 9) f(x) = 9 - (x + 3) 2 10) f(x) = - 7(x - 4) 2 - 6 11) f(x) = - x 2 + 10x - 6 12) f(x) = 3x 2 - 2x - 4 13) f(x) = - 2x 2 + 6x Find the x - intercepts (if any) for the graph of the quadratic function. 14) f(x) = (x + 2) 2 - 4 15) f(x) = - x 2 + 9x - 20 16) y + 1 = (x - 1) 2 Find the y - intercept for the graph of the quadratic function. 17) f(x) = - x 2 + 2x + 8 18) f(x) = 2 + 3x + x 2 19) f(x) = (x + 3) 2 - 9 20) y + 4 = (x + 2) 2 Use the vertex and intercepts to sketch the graph of the quadratic function. 21) f(x) = 4 - (x + 2) 2 22) f(x) = x 2 + 8x + 7 23) f(x) = 3 - x 2 - 2x Determine whether the given quadratic function has a minimum value or maximum value. Then find the coordinates of the minimum or maximum point.
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