HW Lesson 9.1: Properties of Quadratic Functions

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

• maximum
• minimum
• neither
• both

A parabola has a vertex at (-3,2). Where is the axis of symmetry?

• y = -2
• x = 3
• x = -3
• y = 2

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

• 2
• -2
• 1
• -1

Is this a max or min?

• max
• min
• cannot be determined

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

Does the equation open up or down? 
Y = -3x² +7x - 2

• up
• down
• Neither; it opens to the right.
• Neither; it opens to the left.

Where is the axis of symmetry for this parabola?

• x = −1
• x = 0
• y = 3
• x = −3

What is the y-intercept of this parabola?

• (−1, 3)
• (−3, 11)
• (−2, 5)
• (0, 5)

Which of the following equations is NOT a quadratic function?

• $h(x)=2x^3+9x^2-8x$

• $g(x)=(x+4)(x-6)$

• $m(x)=\frac{1}{2}x^2-3x+5$

• $f(x)=0.5x^2+7.2x$

How many solutions does this graph have?

• one
• two
• no solutions
• cannot be determined