ZIMSEC O-Level Equations and inequalities — practice questions
6 free MCQs with worked solutions. Tap any question for the answer + explanation, or practice them all in the app.
Practice ZIMSEC O-Level Equations and inequalities in the app →How many solutions can a quadratic equation have at most?Before a quadratic equation is solved by factorisation, what must one side equal?Both sides of an inequality are divided by a negative number. What happens to the sign?The value under the square root sign in the quadratic formula works out negative. What are the roots?A repeated expression appears twice in a quadratic equation. What is the useful move?Solve the equation x squared plus 2x minus 15 equals 0.