Problema Solution
The first day, you have recited 300 words, and you decide to recite 40 more words every day. Write an equation in point-slope form modeling the number of words you recite
Answer provided by our tutors
The "point-slope" form of the equation of a straight line is:
y - y1 = m(x - x1), where m is the slope, (x1, y1) is a point from the line
in our case for the first day we have the point (1, 300) = (x1, y1)
the second day: (2, 300 + 40) thus the slope is:
m = 40/(2 - 1)
m = 40
the point-slope form modeling the number of words you recite will be:
y - 300 = 40(x - 1)