Problem 1. Write an equation in slope intercept form given the information below. Show your work for full credit.
a. A straight line contains the points (x, y) = (5, 4) and (10, 8).
b. A straight line contains the points (x, y) = (5, 4) and (10, 0).
c. A straight line has slope equal to 2 and contains the point (x, y) = (200, -100).
Problem 2. Find a solution (x, y) given the following information. Show your work for full credit.
a. y = 10 + 2x and x = 20 – 2y
b. y = 100 – 2x and y = 6x + 20
c. y = 8x – 50 and y = 100 – 2x
Problem 3. Compute answers to the following. Show your work for full credit. For answers (a) and (d) keep as a proper fraction.
a. (3/2) + (4/6) + (7/10) =
b. (.05)(110) =
c. 23% of 500 =
d. (2/5)/(7/10) =