Intro to Vertex Form Quadratics

Find the Vertex:
f(x) = x² + 10x + 21

• (-5,-4)

• (1,10)

• (10,21)

• No Real Solution

Find the Vertex:
y = x² + 6x + 2

• (-3,-7)

• (1,6)

• (6,2)

• No Real Solution

What is the vertex of this parabola?

• (0, 5)

• (2, 1)

• (-1, 2)

• (-2, 1)

What is the vertex of f(x)=-3(x+2)²-5

• (-2,-5)

• (-2,5)

• (2,-5)

• (-5,2)

Which of the following equations represents the vertex form of a quadratic function?

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

• (5, 2); opens up

• (5, 2); opens down

• (-5, 2); opens up

• (-5, 2); opens down

How many solutions does this graph have?

• one

• two

• no solutions

• cannot be determined

Does this graph have a maximum or minimum?

• Minimum

• Maximum

Tags

CCSS.HSF-IF.C.7A

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

• opens up with a maximum; y-int = (0, -2)

• opens up with a minimum; y-int = (0, 2)

• opens down with a maximum; y-int = (0, -2)

• opens down with a minimum; y-int = (0, 2) 

Tags

CCSS.HSF-IF.C.7A