Quadratic Equation Basics

What is the equation for axis of symmetry?

• y=3

• x=3

• x=5

• x=1

Tags

CCSS.HSF-IF.C.7A

Which letter determines if a parabola opens up or down?

• a

• h

• k

Tags

CCSS.HSF-IF.C.7A

What is the axis of symmetry?

• the slope of the graph

• the dividing line for a parabola

• a way to spin my pencil

• the x-axis

Which graph is generated by this equation?

y=x²+2x+1

• 
• 
• 
• 

Tags

CCSS.HSF-IF.C.7A

How many solutions does this graph have?

• one

• two

• no solutions

• cannot be determined

What are the solutions?

• 0 and 8

• -2 and -4

• 3 and -1

• 2 and 4

Find the y-intercept of f(x) = 2x²-2x + 1

• 2

• -2

• 1

• -1

Tags

CCSS.HSF-IF.C.7A

Is this a max or min?

• max

• min

• cannot be determined

How many zeros does this parabola have? 

• 3

• 2

• 0

• 1

Tags

CCSS.HSA.APR.B.3

Does the following quadratic equation have a maximum or minimum value? How can you tell?
y=x²+2x-3

• 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