Forms of the Quadratic Function

What is the equation for the axis of symmetry of
f(x)= (x +1)² + 5

• x = 1

• x = -1

• x = -5

• x = 5

What is the vertex form of this quadratic?

• f(x) = -(x - 2)² + 0

• f(x) = (x - 2)² + 0

• f(x) = -(x + 2)² + 0

• f(x) = (x + 2)² + 0

What is the y-intercept of 
f(x)=2x² + 4x + 6

• (6 , 0)

• (-6 , 0)

• (0, -6)

• (0 , 6)

Tags

CCSS.HSF-IF.C.7A

When you rewrite a quadratic equation in the following form. It is written in ________ form

• Vertex Form

• Standard Form

• Quadratic Form

• Factored Form

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 

Tags

CCSS.HSF-IF.C.7A

Which of the following represents a quadratic function?

Which of the following is the correct equation for the given graph?

• f(x) = -(x + 2)² - 4

• f(x) = -(x - 2)² - 4

• f(x) = -3(x - 2)² - 4

• f(x) = -3(x + 2)² - 4

Tags

CCSS.HSF-IF.C.7A

Standard Form = ​ (a)   Factored Form = ​ (b)   Vertex Form = ​ (c)  

Which graph below matches up with the equation:

y = -⅕(x+6)(x+1)

• 
• 
• 
• 

Tags

CCSS.HSF-IF.C.7A

y = x² - 4x + 5

• down and down

• down and up

• up and down

• up and up

Tags

CCSS.HSF-IF.C.7A