If you fail, never give up because FAIL means 'First Attempt In Learning'.— A. P. J. Abdul Kalam

Quadratic Equations — quick quiz

5 real NSTSE questions on Quadratic Equations. Instant scoring and solutions, no signup — see where you stand in ~3 minutes.

Question 1 of 5

MEDIUM

For what value of k does the quadratic equation x² - 4x + k = 0 have equal roots?