Introduction of Quadratic Functions

Does this graph have a maximum or minimum value?

• maximum
• minimum
• neither
• both

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

• 2
• -2
• 1
• -1

Use the graph to determine the solutions.

• -1 and -3
• 1 and -3
• 1 and 3
• -1 and 3

What is the domain of the function?

• D:{ x is greater than or equal to 3}
• D:{x is less than or equal to 3}
• D:{all real numbers}
• D:{ x is all real numbers between and including -1 and 5}

What is the range of this function>

• y = -3
• 1<x<3
• y < 1
• x > 0

Quadratic equations take the shape of a _______ when graphed.

• U
• straight line
• wavey line/snaked
• circle/elliptical

What are the x- intercepts?

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

How many solutions does this graph have?

• one
• two
• no solutions
• cannot be determined

What is the y-intercept?

2y= 4x² + 8x - 6

• 6

• 3

• -3

• none of these

What are the green dots called?

• axis of symmetry
• vertex
• parabola
• roots or x-intercepts