Graph of Quadratic Equations

What is the vertex of the graph?

• (2, 4)
• (3, -1)
• (0, 8)
• (4, 2)

Which equation below is a quadratic?

• y=9x+5

• y=3x²-6

• y=5x³+6

• x=3^x

What is the equation for axis of symmetry?

• y=3

• x=3

• x=5

• x=1

What is the axis of symmetry of:y=2x²+8x+9

• x = 2

• x = -1

• x = -2

• x = 4

A quadratic function is a function that is shaped as a ___________, a u-shaped curve.

• line
• parabola
• quadratic
• square

A vertical line that cuts the parabola into 2 symmetrical halves. This always goes through the vertex and ALWAYS begins with "x=" This is sometimes called the "line of symmetry".

• Parabola

• Quadratic

• Axis of Symmetry

• Domain

Standard form of a quadratic equation

• y=x²
• y=ax²+bx+c
• y=mx+b
• y=x

The vertex is defined as:

• The maximum.

• The minimum.

• The highest or lowest point of the parabola.

• The vertical height of the parabola

Which of the following is NOT a quadratic equation?

Review: What are the vertex and axis of symmetry for the given graph?

• Vertex (1, -4) Axis of Symmetry: x=1

• Vertex (1, -4) Axis of Symmetry x = -4

• Vertex (-4, 1) Axis of Symmetry x=-4

• Vertex (-4, 1) Axis of Symmetry x = 1