Written equation of the line in slope intercept form (0,3), (4,2)

What is the name used to describe a graph where for some value of x, there exists 2 or more different values of y?

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.

Which of the following is an example of conditional probability