Subject: complex roots
Name: Jess rutherford
Who is asking: Student
Level: Secondary

Question:
how do I find the value of k when 5x² + k = 3x and has complex roots ?

Hi Jess,

Write the equation as 5x² + 3x + k = 0 and solve using the general quadratic. The roots are complex if the part under the root sign is negative.

Cheers,
Penny