MERRILLVILLE | Thirty-five teachers from across Northwest Indiana are scheduled to attend a conference focusing on effective ways to teach algebra. The workshop on Aug. 11 and 12 at the Purdue ...

For ax 2 + bx + c = 0, (α, β) = [–b ± √(b 2 – 4ac)]/2ac, where α and β are the roots of the equation. Sum of roots = –b/a Product of roots = c/a If roots of a quadratic equation are given, then the ...