SHSAT Math Formulas
TL;DR: A complete SHSAT Math formula reference for the NYC Specialized High Schools Admissions Test, arithmetic, algebra, geometry, and probability formulas you need to memorize, since the SHSAT gives you no reference sheet on test day. Key takeaways: The SHSAT provides no formula sheet, every formula has to come from your head. Math is 57 […]
How to Divide Rational Expressions? (+FREE Worksheet!)
Dividing rational expressions uses the same “Keep-Change-Flip” (KCF) rule you learned when dividing ordinary fractions: keep the first expression, change division to multiplication, and flip the second expression. After that, the problem becomes multiplication of rational expressions — factor, cancel, and multiply. Mastering dividing rational expressions is a core Algebra 1 skill that carries into […]
