K = {(-3, -3), (-4, -4), (-5, -5), (-6, -6)} Is K a function and why?

What is the relationship between all triangles that can be drawn given the same three angles

Is the product of two rational numbers irrational or rational? first, make a hypothesis by multiplying two rational numbers. then, use variables such as x=a/b and y=c/d and the closure property of integers to prove your hypothesis.

Find the slope of the line passing through a pair of points