Today’s ACT question of the day is a math question about absolute value and number properties. Remember the basic fact about absolute value: everything that comes out of the bars is either positive or 0. Kind of like coming out of prison?
Anyhow. If we have that fact with us, we can answer this question. Continue reading
Today’s SAT question of the day begins with two numbers, a, and b. The difference between |a| and |b| is 5. The answer choices provide four false statements and one potentially true statement.
To look at things a different way, a – b is 5 and neither a nor b can be negative. This means that a has to be bigger than b, and that a has to be at least 5. (Test it out: for example, if a was 2, could we subtract any positive number and get 5? Nope.) Continue reading