Quadratic Quiz 5/18

Does this graph in the back have maximum or minimum value?

• maximum
• minimum
• neither
• both

What is the y intercept for the equation:
y = -8x² + 3x - 7

• (0, -8)
• (0, 3)
• (0, 7)
• (0, -7)

Tags

CCSS.HSF-IF.C.7A

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 are the
x-intercepts of the function
f(x)= (x - 2)(x + 3)?

• x = - 2 or x = 3
• x = 2 or x = -3
• The are no real roots
• x = 2 or x = 3

Tags

CCSS.HSA.APR.B.3

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

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

• (-2, 16)
• (2, 0)
• (2, 4)
• (-2, 4)

How many solutions does this graph have?

• one
• two
• no solutions
• cannot be determined

The solutions of a quadratic equation are known as the _____.

• Vertices
• Roots
• Squares
• Formulas

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 form in this quadratic function in?

f(x)=x²-5x+1

• Standard Form

• Vertex Form

• Factored Form