Complex Solutions Quadratic

If the discriminant is equal to 4, 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? 4x² + 6x - 4 = 0

• -28, No Solutions

• 28, 2 Solutions

• 100, 2 Solutions

• -100, No Solutions

What does the discriminant tell us?

• The maximum or minimum

• The y-intercept

• The number and type of solutions. (x-intercepts)

• The axis of symmetry

If the discriminant is positive, then the solution will be

• one real solution

• two real solutions

• no real solutions

• one imaginary solution

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

• No solutions

• 1 Solution

• 2 Solutions

• Infinite solutions

Which statement gives the number and type of solutions for the equation

• The equation has one real solution.

• The solutions can only be determined by graphing.

• The equation has two real solutions.

• The equation has two non-real complex solutions.

Tags

NC.M3.N-CN.9

Which statement is true about the zeros of a quadratic polynomial?

• The polynomial can have a maximum of 2 real zeros.

• There must be at least one complex zero for every real zero.

• If −5 and 4 are zeros, then the conjugates of −5 and 4 must also be zeros.

• If the polynomial has 3 zeros, it must have imaginary coefficients.

Tags

NC.M3.N-CN.9

The discriminant is

• aX² + bX + c

• b - 4ac

• b² - 4ac

• b² + 4ac

• A
• B
• C
• D

Find the discriminant, then state whether the roots are rational, irrational or imaginary: 6x² - 7x - 3 = 0