Quadratics Review

• (-4,-12)

• (4,12)

• (-4,12)

• (-0.3,12)

The vertex of parabola y = - 2x² - 4x + 1 is

• (1, 3)

• (- 1, 3)

• (- 1, -5)

• (- 1, 5)

What is the axis of symmetry?
y = 3x² - 6x + 4

• x=1
• x=-6
• x=2
• x=-1

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 quadratic function is represented by the graph?

• y = 2(x - 4)² + 5

• y = 2(x + 4)² + 5

• y = -2(x - 4)² + 5

• y = -2(x + 4)² + 5

Tags

CCSS.HSF-IF.C.7A

Identify the vertex and whether the graph opens up or down.

• (5, 2); opens up
• (5, 2); opens down
• (-5, 2); opens up
• (-5, 2); opens down

Tags

CCSS.HSF-IF.C.7A

Does this table open up or down? (hint use the y values to sketch a picture)

• up

• down

Tags

CCSS.HSF-IF.C.7A

An object in launched directly upward at 64 feet per second (ft/s) from a platform 80 feet high. Its height is represented by the equation 
s(t) = –16t² + 64t + 80.
What will be the object's maximum height? 

• 2 ft
• 80 ft
• 144 ft
• 64 ft

Does the following quadratic equation have a maximum or minimum value? 
y=x²+2x-3
Explain.

• Minimum value, because the a value is positive
• Maximum value, because the b value is positive
• Maximum value, because the a value is positive
• Minimum value, because the c value is negative