Answer:
Marc's Equation y = 16x + 0
Prisha's Equation y= 12x + 8
These are two straight line equations.
The coefficient of x represents the slope which is the average speed
The constant is the y-intercept i.e. the value of y at x = 0 and represents the distance covered at time x = 0 hours
The graph of the equation for Mark intersects the y-axis at (0, 0) and that of Prisha intersects the y-axis at (0, 8)
Step-by-step explanation:
The equations given represent the distance covered by each of the bikers in x hours
At time x = 0, Mark has covered 0 miles and his average speed is 16 mph
In x hours he will cover a distance of y = 12x + 0 from start point
At time x = 0, Prisha has already covered 8 miles and her average speed is 12 mph
In x hours, Prisha would have covered a distance of y = 12x + 8
