Quadratic Solutions Discriminant

How many solutions?

• One solution

• 2 Solutions

• No Solution

• Empty Set. Does not equal zero.

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

Find the zeros/solutions of this quadratic function from its graph. Select all that apply.

• -3

• -9

• 0

• 3

• 4

Find the zeros/solutions of this quadratic function from its graph. Select all that apply.

• 1 solution

• No Solution

• 5

• 0

• 2 Solutions

What is the formula for the discriminant?

• x = -b/2a

• b² - 4ac

• a² + b² = c²

• x = [-b±√(b²-4ac)]/2a

If the discriminant is equal to 0, how many solutions are there?

• No solutions

• 1 Solution

• 2 Solutions

• Infinite solutions

If the discriminant is equal to 4, how many solutions are there?

• No Solutions

• 1 Solution

• 2 Solutions

• Infinite Solutions

If the discriminant is equal to -2, how many solutions are there?

• No Solutions

• 1 Solution

• 2 Solutions

• Infinite Solutions

What is the discriminant and how many solutions would this quadratic have?

• 0, No Solutions

• 0, 1 Solution

• 72, 2 Solutions

• -72, No Solution