Key Points Quadratic

A quadratic function is graphed on the grid. Select TWO answers that display the domain and range.

• All real numbers

The graph of a quadratic function is shown.

Which spot is the vertex?

The graph of quadratic function r is shown on the grid. Which answer choice best represents the intercepts of the graph of r?

• x-int: (5, 0)

  y-int: (0, 10) & (0, -2)

• x-int: (0, -10) & (0, 2)

  y-int: (-5, 0)

• x-int: (0, 5)

  y-int: (10, 0) & (-2, 0)

• x-int: (-10, 0) and (2, 0)

  y-int: (0, -5)

Tags

CCSS.HSF-IF.C.7A

Which point is the vertex of the parabola?

What is the axis of symmetry for the following graph?

(Remember it is an equation)

Mathematical Equivalence

ON

Tags

CCSS.HSF-IF.C.7A

Quadratic function, h, can be used to model the height in feet of a rocket from the ground t seconds after it was launched. What is the maximum value of the graph?

• 225

• 0

• 144

• 7.5

• x = 3.5

Find the equation of the quadratic function that has the given information and write it in standard form. x-intercepts: -3 and 1, point: (-1, -4)

Answer explanation

Find the equation of the quadratic function that has the given information and write it in standard form. x-intercepts: 2 and 4, point: (1, -3)

Answer explanation

Find the equation of the quadratic function that has the given graph (key points marked) and write it in standard form.

Answer explanation

Find the equation of the quadratic function that has the given graph (key points marked) and write it in standard form.

Answer explanation