Quadratic Functions in Quadratic Form

Identify the vertex and whether the graph opens up or down.

• (-1, 4); opens up

• (-1, 4); opens down

• (1, 4); opens up

• (1, 4); opens down

What is the vertex of y=x²+4x+3?

• (2,1)

• (-2,1)

• (0,0)

• (-2,-1)

What is the vertex form for a vertex of (-3,-5) and when a=-2?

• y = -2(x-3)²+5

• y = -2(x+3)²+5

• y = -2(x+3)²-5

Which answer choice describes  y = -3x² +7x - 2 accurately?

• opens up with a maximum

• opens up with a minimum

• opens down with a maximum

• opens down with a minimum 

The graph of a quadratic function is shown. Write a quadratic equation in standard form to represent the graph.

Mathematical Equivalence

ON

• 1

• 3

• 2

• 5

A table of values for a quadratic function is shown.

Type the equation of the quadratic function in Standard Form.

y = ax² + bx + c

Mathematical Equivalence

ON

Which of the following represents a quadratic function?

Which graph below matches up with the equation:

y = -⅕(x+6)(x+1)

• 
• 
• 
• 

Mathematical Equivalence

ON