Standard and Vertex Forms of Quadratic Equations Identify A H K A B C Vertex

Convert the equation from vertex form to standard form.

• y = 9x² - 15x + 21

• y = -3x² - 75x - 4

• y = 9x² + 90x + 221

• y = -3x² - 30x - 79

• y = -5x² - 20x - 30

• y = -5x² - 4x - 10

• y = 25x² + 100x + 90

• y = 25x² - 10x - 30

Convert the equation from vertex form to standard form.

What do we call the highest or lowest point of a quadratic?

• parabola

• vertex

• graph

• point

The U-Shaped graph of a quadratic function  is called a?

• Marabola

• X-value

• Parabola

• Height

In Vertex form, f(x) = a(x - h)²+ k, what does the k stand for?

• the y-coordinate of the vertex

• the x-coordinate of the vertex

• the x-intercept

• the y-intercept

In Vertex form, f(x) = a(x - h)²+ k, what does the h stand for?

• the y-coordinate of the vertex

• the x-coordinate of the vertex

• the x-intercept

• the y-intercept

Using Vertex Form, f(x) = a(x - h)²+ k, how do you write the equation for the Axis of Symmetry?

• x = h

• y = k

• x = a

• y = h

What is the vertex of the parabola: y=2(x-3)²+4

• (3,4)

• (-3,4)

• (3, -4)

• (-3,-4)