Quadratic formula.

Exercise and reference answers

Missing parts

1. Answer

   b

   Choices

   1. b
   2. a
   3. c

2. Answer

   a

   Choices

   1. a
   2. b
   3. c

3. Answer

   c

   Choices

   1. c
   2. b
   3. a

Complete the statement

x = ( -b ± √({0}² - 4{1}{2}) ) / 2a

Instructions

Roots of ax² + bx + c = 0.

Explanation