GRE algebra questions will occasionally hit you with a quadratic equation. To solve it, you won’t need the quadratic formula. You probably won’t even need the FOIL method. GRE Quant permits—and often rewards—problem solving methods that buck the conventions taught in high school math classes. To see what I mean, try these two algebra problems […]

GRE algebra can get weird sometimes. Strange markings like  ⧫  or  ⊛  will appear in equations that otherwise use ordinary operators like  +  and  −. Unusual symbols in GRE Quant are the hallmark of symbolic functions—pairings of inputs and outputs that, as it turns out, are connected by some pretty standard math. Symbols in math […]