Question

When two straight lines are parallel their slopes are equal

• A. True
• B. False

Answer 1

The correct option is A

True

If two straight lines are parallel only when their slopes are equal.
Slope's defined as m= $tan\theta =\frac{y}{x}$

If above given two lines are parallel ratio of y-intercept to x-intercept must be equal.
So, any lines parallel to y=mx+c is of the type y=mx+d. Where d is a parameter.