Tag Archives: exponents

SAT Question of the Day Explained – December 9, 2014 – Math

Today’s SAT question of the day is a math question about some basic algebra. The answer choices are those fun roman numeral options. The question:

If x over 3 = x^2, the value of x can be which of the following?

roman numeral 1. negative 1 over 3

roman numeral 2. 0

roman numeral 3. 1 over 3

We can solve this either by doing a little algebra or by thinking it through (and testing out the answer choices).  I will show you both ways. Continue reading