Graphing in Standard Form

State the x-intercept for the diagram given.

• 0

• 2

• 0 and 2

• 0 and 4

Find the maximum point for the function in the diagram.

• (2, 4)

• (4, 2)

• (−2, −4)

• (−4, −2)

What is the name of the green straight line?

• Roots of equation

• Symmetry axis

• Parabola

• y-intercept

What is the coordinate of y-intercept in the diagram?

• (−3, 0)

• (2, 1)

• (0, −3)

• y = −3

What is the maximum coordinate of f(x) = x² + 4x + 3?

• (2, 1)

• (0, 0)

• (−2, 1)

• (−2, −1)

The diagram shows graph for quadratic function f(x) = −(x − 2)² + 3k where k is a constant. Given (h, 12) is the maximum point of the graph. State the value of h and of k.

• h = −2, k = −4

• h = −2, k = 4

• h = 2, k = 4

• h = 2, k = −4