Unit 6 Quick Recap

What is the vertex of this quadratic equation?  
y = 2(x - 2)²  +  5

• (-2,5)
• (2,5)
• (5,-2)
• (-5,-2)

Does this graph have a maximum or minimum?

• Minimum
• Maximum

A parabola has a vertex at (-3,2).
Where is the axis of symmetry?

• y = -2
• x = 3
• x = -3
• y = 2

What is the axis of symmetry for this graph?

• y=2
• x=2
• x=0
• y=0

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.

Is this a max or min?

• max
• min

Find the vertex of 
f(x) = -x² - 4x + 12.

• (-2, 16)
• (2, 0)
• (2, 24)

• (-2, 4)

What is the vertex of y=x²+4x+3?

• (2,1)
• (-2,1)
• (0,0)
• (-2,-1)

What is the y-intercept?

• (0,0)
• (4,0)
• (0,4)
• (2,-2)

What is the y-intercept of the following equation?
y=x²-3x-4

• (0,1)

• (0,-4)

• (0,0)

• (0,4)