...My two oldest are in college and both placed into Calculus 1 on college math placement tests. My third is still in high school. My undergraduate degree was in music. (read more)
...So when we are talking about linear equations, we are talking about an algebraic equation where the terms are a constant or a product of a constant and a variable. So y=2x-12 is a linear equation. Another hint why this is linear is because the degree(exponent of the term is 1 for each term. (read more)