Intro Quadratics Vertex Roots

What is the axis of symmetry for this graph? 

• x = 2

• x = -4

• y = -4

• there is not one

Tags

CCSS.HSF-IF.C.7A

What is the vertex of the graph. Is it a maximum or minimum?

• (-2,1) minimum

• (-2, 1) maximum

• (2, -1) minimum

• (2, -1) maximum

Solutions to quadratic equations are called...

• Zeros, Roots

• Parabolas

• Vertexes

• Min & Max

The shape of the quadratic equation is called a...

• Parabola

• y = ax² + bx + c

• Vertex

• Graph

Tags

CCSS.HSF-IF.C.7A

• a

• h

• k

• x

• y

Tags

CCSS.HSF-IF.C.7A

Define Roots

• Where the parabola touches or intersects the y-axis

• The lowest y-value on the graph

• Where the parabola touches or intersects the x-axis, also called the x-intercept

• A line that divides the graph into two equal parts. i.e. cuts the graph in half

Answer explanation

Tags

CCSS.HSF-IF.C.7A

What is the vertex and what does it represent?

• (80, 1.5) At 80 seconds, the ball reaches a maximum height of 1.5 feet

• (0, 37) At 0 seconds, the ball was thrown from a height of 37 feet.

• (1.5, 80) At 1.5 seconds the ball reaches a maximum height of 80 feet

Find the vertex of
y = x² + 4x + 1
Use the equation in the picture!

• (0, 0)

• (-2, 13)

• (2, 13)

• (0.375, 6.0625)

• Factored Form

• Standard Form

• Vertex Form

What is another name for the x-intercepts of a quadratic?

• y-intercept

• Zeros

• x-axis

• They don't have another name

Tags

CCSS.HSF-IF.C.7C