How to do this type of question Share with your friends Share 0 Pabita Mahato answered this 0 View Full Answer Deepak Silaych answered this Just remember a formula. 1. If zeros are real and equal(most common) b^2 - 4ac = 0 2. If zeros are real and unequal b^2 - 4ac > 0 3. If zeros are imaginary (did not exist) b^2 - 4ac Just put the values and find the answer (k) 0