Quadratic Functions: Standard Form Answers

What is the y-intercept of the graph of the function f(x) = x2 + 3x + 5?

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?

What is the x-intercept of the graph of the function f(x) = x2 − 16x + 64?

Which statements about the graph of the function f(x) = 2x2 – x – 6 are true? Select two options.

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 graph of which function has an axis of symmetry at x = 3?

Which statements about the graph of the function f(x) = –x2 – 4x + 2 are true? Select three options.The domain is {x|x ≤ –2}.The range is {y|y ≤ 6}.The function is increasing over the interval (–∞ , –2).The function is decreasing over the interval (−4, ∞).The function has a positive y-intercept.

Tempestt graphs a function that has a maximum located at (–4, 2). Which could be her 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 3, 0), has a vertex at (negative 1, negative 11), and goes through (1, 0).