Class 10 · Algebra

Class 10 quadratic equations

Twelve minutes. Show your working on paper — for each question pick one answer. Recall that b24acb^2-4ac decides the roots.

2 questions, one mark each. 2 to pass. Suggested time: 12 minutes. Your answers are not recorded.

  1. Solve for xx: 2x+5=172x + 5 = 17
  2. What is the discriminant of x24x+4=0x^2 - 4x + 4 = 0?
Unanswered questions are marked wrong.