examday

/TMUA

A straight line $L$ passes through $(1,2)$.

Let $P$ be the statement

if the $y$-intercept of $L$ is negative, then the $x$-intercept of $L$ is positive.

Which of the following statements must be true?

• I. $P$
• II. the converse of $P$
• III. the contrapositive of $P$