What is the y-value of the vertex of the function f(x) = –(x + 8)(x – 14)?

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 quadratic function is in the form f(x) = ax2 + bx + c. A quadratic ... Find the vertex point, axis of symmetry, x and y intercepts and graph. 1) F(x) = x2 + 2x - 3.
find the x-intercept, y-intercept, axis of symmetry, and vertex of these two problems: ... (x-4)(x-2) = 0 ... y= 8; you can see in any equation the y intercept is the numerical value ... The x-intercepts are at thevalues of x where the function equals 0.