A student solved an equation by the quadratic formula and reached the step $x=\frac{3 \pm 4}{2}$.
What are the solutions of the original equation?
A) $\frac{7}{2},-\frac{1}{2}$
B) $\frac{3}{2}, 2$
C) $\frac{7}{2}$
D) The equation has no real number solutions.

Question

Quizplus · Accepted Answer

The solutions are obtained by applying the plus and minus in the numerator: $x=\frac{3+4}{2}=\frac{7}{2}$ and $x=\frac{3-4}{2}=-\frac{1}{2}$.

A Student Solved an Equation by the Quadratic Formula and Reached