Quadratic Functions: Standard Form Answers
For all functions of the form f(x) = ax2 + bx + c, which is true when b = 0?
What is the x-intercept of the graph of the function f(x) = x2 − 16x + 64?
The graph of which function has an axis of symmetry at x = 3?
On a coordinate plane, a parabola opens up. It goes through (negative 3, 0), has a vertex at (negative 1, negative 11), and goes through (1, 0).
The axis of symmetry for the function f(x) = −x2 − 10x + 16 is x = −5. What are the coordinates of the vertex of the graph?
On a coordinate plane, a parabola opens down. It goes through (negative 2, negative 2), has a vertex at (1.5, 10), and goes through (5, negative 2).
On a coordinate plane, a parabola opens up. It goes through (negative 6, 0), has a vertex at (negative 2, negative 16), has a y-intercept at (0, negative 12), and goes through (2, 0).
The axis of symmetry for the graph of the function f(x)=3x2+bx+4 is . What is the value of b?
Which is the graph of the function f(x) = x2 + 2x – 6?
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