Algebra Quadratic Equations

What is the axis of symmetry formula?

• y = mx+b

• y = ax²+bx+c

• b² - 4ac

• x = -b/2a

Does this graph have a maximum or a minimum?

• maximum

• minimum

• I am not sure.

• neither

Tags

CCSS.HSF-IF.C.7A

Does this graph have any roots?

• yes

• no

• I am not sure.

Tags

CCSS.HSF-IF.C.7A

What are the green dots called?

• axis of symmetry

• vertex

• parabola

• roots or x-intercepts

Tags

CCSS.HSF-IF.C.7A

What are the x- intercepts?

• x= 0 and x= -4

• x= 0 and x= 4

• y= 0

• x= 2

Tags

CCSS.HSF-IF.C.7A

The formula x = -b/2a is used to find

• the roots

• the x-value of the vertex

• the y-intercept

• the axis of symmetry

Graph the following equation:

y=x²-2x-3

• 
• 
• 
• 

Tags

CCSS.HSF-IF.C.7A

Which quadratic graph is the widest?

• y = 5x²

• y = -¼x²

• y = -½x²

• y = 5x²

Comparing h(x)=-5x²-1 to the parent function f(x)=x², determine which transformation DOES NOT occur.

• Reflection over the x-axis

• Vertical stretch by a factor of 5

• Down 1 unit

• Reflected over the y-axis

If given the equation y = 3(x + 5)² - 4, what is the vertex of the parabola?

• (5, -4)

• (-5, -4)

• (-15, -4)

• (15, -4)