How to Find the Center and the Radius of Circles? (+FREE Worksheet!)
Write the equation of the circle in standard form: \((x- h)^2+( y-k)^2= r^2\), The center of the circle is at \(h,k\), and its radius is \(r\). Find the Center and the Radius of Circles โ Example 1: \(x^2+ y^2-4x+3=0\) Tutor-style math help Find the Center and the Radius of Circles: what to notice and how […]
OAR Math Formulas
TL;DR: The Officer Aptitude Rating (OAR) Math Skills subtest doesn’t give you a formula sheet, and no calculator is allowed. This page collects every formula you should know cold โ algebra, geometry, percent change, exponent rules, and basic word-problem essentials. ๐ Want to memorize these formulas? Drill them with our free OAR Math Flashcards โ […]
