It displays a relationship between variable X and Y.
It introduces the relationship between two variables and is called correlation. Proportionality or variation is state of relationship or correlation between two variables It has two types: direct variation or proportion which states both variables are positively correlation. It is when both the variables increase or decrease together. On the contrary, indirect variation or proportion<span> indicates negative relationship or correlation. Elaborately, the opposite of what happens to direct variation. One increases with the other variables, you got it, decreases. </span>
Answer:
D. undefined
Step-by-step explanation:
Since, line is perpendicular to x-axis, so it's slope would be undefined.
Hope it helps you in your learning process.
to get the equation of any straight line, we simply need two points off of it, let's use the points in the picture below.
Ok................? is there more to this
