Daily Archives: April 9, 2012

Algebra: Chapter 13, Lesson 2, page 580. More Solving Quadratic Equations Solve a quadratic equation of the form ${\displaystyle a{x}^2=k}$ Example: ${\displaystyle -3x^2+7=0}$ becomes … ${\displaystyle -3x^2=-7}$ or ${\displaystyle x^2=\frac{7}{3}}$ then ${\displaystyle x=\pm \sqrt{\frac{7}{3}}}$, don’t forget … Continue reading →