Khan Academy
SAT Prep: Test 2 Section 3 Part 3
Covering geometry, linear equations, and mathematical patterns, Sal discusses problems 9-12 on the practice SAT. His easygoing manner and clever calculations will keep students' interest far longer than reviewing SAT questions from a...
Curated OER
What Are the Ways You Can Solve a System of Linear Equations?
Confronted with a system of equations? This tutorial briefly describes the three ways systems of equations can be solved. Substitution, graphing, and the elimination method are all covered. The only thing this video is missing is example...
Curated OER
What's a Consistent Independent System of Equations?
Define a system of equations with only one solution? Sure! If you have a system of equations with only one solution you'll find that it results in an ordered pair (2,2). This means that those equations intersect at only one point.
Khan Academy
MTEL Math Practice Test: 28-30
Problems 20-30 of the MTEL Practice Math Test involve skills such as measuring rates and graphing equations. Sal helps viewers with the process of elimination in multiple-choice tests and explains how to solve various types of...