03/13 Quadratic Functions Review

How many solutions can a quadratic have?

• 1,2, or 3

• none, 1, or 2

• none or 2

• 1 or 2

A ball was kicked into the air and is represented by the graph. How high did the ball go?

• 115

• 100

• 10

• 125

Which of the following is true x²-2x+3=0 (pictured above)

• The parabola has 3 solutions which are the x and y-intercepts of the graph,

• The parabola has 1 solution at -3.

• The parabola has 2 solutions AKA the roots

• The graph has no solutions.

When looking at a quadratic graph, the solution(s) are always the _____________.

• y-intercept

• vertex

• x-intercept(s)

• axis of symmetry

Use the graph to determine the roots.

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

Is the graph shown above a max or min?

• Maximum

• Minimum

What is the y-intercept of the graph shown above?

• all real numbers

• (0,6)

• (0,2)

• (0,-6)

What is the vertex of the graph shown above?

• (7,6)

• (-1,2)

• (2,-1)

• (5,0)

What is the maximum/minimum of a parabola called?

• vertex
• point
• top
• bottom

A vertex that represents the LOWEST point on a graph is called _____

• maximum

• minimum

• vertex

• home run