Which of the following equations, together with 2x + y= 8, results in a system of equations with exactly one solution? A) -2x – y= -8 B) x+2y=0 C)2x+y=0 D) 2x+y=14 E) 4x+2y= 16
College Board released a bunch of sample questions this week for the new PSAT and SAT, which will make their debuts in October 2015 and March 2016, respectively. Over the next few days, I’ll be making posts working through each question, a few at a time, and commenting on them when I feel like I have (more…)
College Board released a bunch of sample questions this week for the new PSAT and SAT, which will make their debuts in October 2015 and March 2016, respectively. Over the next few days, I’ll be making posts working through each question, a few at a time, and commenting on them when I feel like I have (more…)
Here we go, folks—another graphs quiz to entertain/torture you. Good luck! Note: This quiz will be available to everyone until 11/25/14. After that, it will be available only to registered Math Guide Owners. If you own a Math Guide, make sure you forward your receipt or other proof of purchase to mike@pwnthesat.com so that you can...
Note: This quiz will be available to everyone until 10/31/14. After that, it will be available only to registered Math Guide Owners. If you own a Math Guide, make sure you forward your receipt or other proof of purchase to mike@pwnthesat.com so that you can access all the exclusive Math Guide Owners stuff on this...
How’s everyone else doing on this quiz?
Let’s talk a bit about lines. Like everything else on the SAT, questions about lines will require some very basic knowledge of a few math rules, but you don’t need to know everything you ever learned about Cartesian coordinate planes. It’s important to be able to differentiate what’s important from what’s not. We’ll get into (more…)