# Posts by Dealie

Total # Posts: 2

**Math (Pre Cal)**

Thank you so much. you totally rock

**Math (Pre Cal)**

Hi, I am studying for a precalculus quiz and I do not understand this hw problem: "The tangent line to a circle may be defined as the point that intersects a circle in a single point... If the equation of the circle is x^2+y^2=r^2 and the equation of the tangent line is y...