Quadratic Equation Quiz 3/28

Select all that applies..... The roots of a quadratic equation are the

• y-intercepts

• x-intercepts

• zeros

• vertex

Fill in the blank.. To find the roots of a quadratic equation, set the equation equal to _______

Select all that applies...The graph of a quadratic function is a

• straight line

• vertical line

• parabola

• none of the above

True or False: Quadratic equations may have one real solution when the vertex of the parabola is on the x-axis

• True

• False

True or False: Quadratic equations may have two real solution when the parabola crosses the x-axis.

• True

• False

True or False: Quadratic equations may have no real solution when the parabola does not intersect the y-axis

• True

• False

Which formula below would you use to find the axis of symmetry?

Use the picture to find the vertex and axis of symmetry

• Vertex (3,8) Axis x = 3

• Vertex (3,8) Axis y = 3

• Vertex (8,3) Axis x = 3

• Vertex (8,3) Axis y = 3

Use the graph to determine the solutions.

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

How many solutions does this graph have?

• one
• two
• no solutions
• zero