Complex Numbers

NZ Level 8 (NZC) Level 3 (NCEA) [In development]

Quadratic Solutions

Below is the result after using the quadratic formula to solve an equation.

$x=\frac{-3\pm\sqrt{9-4\times56}}{16}$`x`=−3±√9−4×5616

Which of the following is true?

The equation has one real solution.

A

The equation has two real solutions.

B

The equation has complex solutions.

C

The equation has one real solution.

A

The equation has two real solutions.

B

The equation has complex solutions.

C

Easy

Less than a minute

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