Vertex Quiz 1

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

• (5, -4)

• (-5, -4)

• (-15, -4)

• (15, -4)

A parabola has a vertex at (-3,2).

Where is the axis of symmetry?

• y = -2

• x = 3

• x = -3

• y = 2

What is true for: y = ½(x - 4)² - 4

• Opens up with a minimum

• Opens down with a maximum

• Opens left

• Opens right

Tags

CCSS.HSF-IF.C.7A

What is true for: y = -2(x - 1)² + 5

• Opens up with a minimum

• Opens down with a maximum

• Opens left

• Opens right

Tags

CCSS.HSF-IF.C.7A

If the blue graph is f(x) = x²

then the red must be...

• g(x) = x² - 5

• g(x) = x² + 5

• g(x) = (x - 5)²

• g(x) = (x + 5)²

What piece of information does c identify in the following equation?
y=ax²+bx+c

• Zeroes
• Axis of Symmetry
• Direction
• y-intercept

A quadratic function has zeros -7 and 9.
What are the linear factors of the function?

• (x+7) (x-9)
• (x-7) (x+9)
• (-7,0) (9,0)
• (0,-7) (0,9)

Tags

CCSS.HSF-IF.C.7C

What is the equation for this parabola in factored form?

• y=(x+2)(x-1)
• y=(x-2)(x+1)
• y=(x-2)(x-1)
• y=(x+2)(x+1)

Tags

CCSS.HSF-IF.C.7A

What is the y-value of the y-intercept for the following quadratic function?

y= 5(x-3)²+5

Tags

CCSS.HSF-IF.C.7A

• y = -(x + 1)² - 4
• y = -(x + 1)² + 4
• y = -(x - 1)² - 4
• y = (x + 1)² + 4

Tags

CCSS.HSF-IF.C.7A