A. Recall quadratic equation given a is not equal to 0. Why to specify that a is not equal to 0?
B. The property owner wishes to fence the rectangular garden plot adjacent to the road. Fencing next to road must be sturdier and price $5 per foot, while other fencing costs simply $3 per foot. Property owner has $480 to spend on fencing. Determine maximum area for garden plot and provide dimensions which produce the maximum.
C. Determine the following lines:
i) passing through (2,4) and(2, -2)
ii) having x-intercept (6,0)and y-intercept (0,-4)
iii) perpendicular to y = 5x +2 andy-intercept at (0,8)
iv) passing through (2,3) and (3,1)
v) passing throu (2,-4) parallel to 5x -2y= 4