# SAT Function Transformations: The Definitive Guide

The SAT will sometimes throw in a question on function transformations. This question can range from easy to difficult, so it’s important to understand the entire concept. For example, take a look at the following official example taken from The College Board’s Question of the Day app: Example Function Tranformation SAT Question The graph of Continue reading

# 4 SAT Math Questions of the Day That Might Catch You by Surprise

1. Equation of a Circle (October 1st, 2015) A circle in the $$xy$$-plane has its center at $$(-100, 221)$$ and a diameter of 17. Which of the following is an equation of the circle? A) $$(x + 100)^2 + (y – 221)^2 = 72.25$$ B) $$(x + 100)^2 + (y – 221)^2 = 289$$ C) Continue reading

# The Hardest Official SAT Math Questions of the Day by Student Response Rate and by Difficulty Level

I’ve been taking a closer look at the math questions of the day available on The College Board SAT app recently. It’s quite helpful and serves as great practice. I highly recommend it. As you can see, the app tells you the percentage of responses that were correct for each question. It also tells you Continue reading