Unit 6 Retake

What is the vertex?

• (2, 4)
• (3, -1)
• (0, 8)
• (4, 2)

Does the quadratic have a max/min vertex, and does the graph open up/down?

• max/ opens down
• min/ opens up
• max/ opens up
• min/ opens down

What are the x- intercepts?

• x= 0 and x= -4
• x= 0 and x= 4
• y= 0
• x= 2

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

• (-2,5)
• (2,5)
• (5,-2)
• (-5,-2)

What is the y-intercept of the function y=-2x²+8x-6?

• (0, 8)
• (0, -6)
• (0, 2)
• (0, 0)

What direction is the following equation opening?
y=-3x²-7x+8

• Up
• Down
• Left
• Right

What direction is the following equation opening?
y=-3x²-7x+8

• Up
• Down
• Left
• Right

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)

What is the vertex of the parabola: y=2(x-3)²+4

• (3,4)
• (-3,4)
• (3, -4)
• (-3,-4)

What are the x-intercepts of 
f(x)=(x - 10)(x + 10)

• 10
• (10 , 0) and (-10 , 0)
• (0, -10) and (0, 10)
• 0