Question

A line has the parametric equation $x=t+5$ and $y=t+10$. What is the slope of the line?

• A. $1$
• B. $2$
• C. $5$
• D. $10$
• E. $50$

Answer 1

The correct option is A $1$

$x=t+5,y=t+10$

$x-5=y-10$

$y=x+5$

$\tan \theta =1=m$

$\theta =45°$