Mathematics

Problem

A point moves so that its

x

-coordinate stays

0

while its

y

-coordinate can take any real value. Which of the following best describes the path traced by the point? a) It lies on the

x\text{-axis}

. b) It lies only on the positive

y\text{-axis}

(y>0)

. c) It lies on the

y\text{-axis}

. d) It lies on the line

y=x