◦ When you’re asked for the square root of any number, , you’re being asked for the positive root
only.
◦ Here are the only rules regarding square roots that you need to know for the SAT:
◦ The rule for fractional exponents is this:
= ◦ The rule for negative exponents is this:
x-n = ◦ When you encounter charts, carefully check the chart for information you should note, and remember
that you can use your answer sheet as a ruler to help you locate information or to draw a line of best
fit.