Equation of a line

What is the slope of the line in the equation $$y = mx + b$$ ?

What does the y-intercept represent in the equation $$y = mx + b$$ ?

Determine the slope and y-intercept from the equation $$y = 3/2x + 3$$ .

How do you write the equation of a line with a slope of $$2/3$$ and a y-intercept of $$-3$$ ?

What is the slope in the equation $$y = 2x + 3$$ ?

Write the equation of a line with slope $$0$$ and y-intercept $$-2$$ .

What is the equation of the line with slope $$-4/5$$ and y-intercept $$3$$ ?

If the slope of a line is positive, what does that indicate about the line's direction?

If the slope of a line is negative, what does that indicate about the line's direction?

What is the formula to calculate the slope between two points (x1, y1) and (x2, y2)?