Standard Form Parabola

What is the vertex of y=x²+4x+3?

• (2,1)

• (-2,1)

• (0,0)

• (-2,-1)

The axis of symmetry line passes through which point?

• y-intercept

• any random point

• vertex

• symmetrical point for the vertex

The graph of a quadratic function is called a

• Parabola

• Vertex

• Axis of Symmetry 

• Vertex Form

Tags

CCSS.HSF-IF.C.7A

Use the graph to determine the solutions.

• -1 and -3

• 1 and -3

• 1 and 3

• -1 and 3

What is the green dashed line called?

• roots or x-intercepts

• parabola

• axis of symmetry

• y intercept

Tags

CCSS.HSF-IF.C.7A

What does the following equation simplify to?
y=x²+8x+15

• y=(x+2)(x+6)

• y=(x+3)(x+5)

• y=(x-3)(x-5)

• y=(x+1)(x+15)

What is the y-intercept of the following equation?
y=x²+8x+15

• y=8

• y=3

• y=5

• y=15

Tags

CCSS.HSF-IF.C.7A

Identify the vertex and correct graph

• A

• B

• C

• D

Tags

CCSS.HSF-IF.C.7A

Identify the vertex and correct graph

• A

• B

• C

• D

Tags

CCSS.HSF-IF.C.7A

Does the equation open up or down? 
Y = -3x² +7x - 2

• up

• down

• Neither; it opens to the right.

• Neither; it opens to the left.