Problema Solution
Write an equation in point-slope form to model the total earnings y (in dollars) in term of x (the number of hours). Your rate for babysitting is $7 an hour. You earned $35 in 5 hours
Answer provided by our tutors
The "point-slope" form of the equation of a straight line is:
y - y1 = m(x - x1)
where (x1, y1) is one point on the line and 'm' is the slope of the line
in our case x1 = 5, y1 = 35
the slope m = 7/1 = 7
thus the equation in point-slope form is
y - 35 = 7(x - 5)