SOLUTION: The coordinates of O, A and B are O(0,0) , A(5,0) , B(7,8). Find a) The gradient of AB, b) The equation of AB, c) The area of ▲ OAB, The triangle OAB is reflected in the

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Question 1033981: The coordinates of O, A and B are O(0,0) , A(5,0) , B(7,8). Find
a) The gradient of AB,
b) The equation of AB,
c) The area of ▲ OAB,
The triangle OAB is reflected in the line x=0. Write down the coordinates
of the image of A and of B
PLZZ HELP

Answer by Edwin McCravy(20054)   (Show Source): You can put this solution on YOUR website!


a) The gradient of AB,


b) The equation of AB,
Let Z(x,y) be a random point on AB









Cross-multiply:





c) The area of ▲ OAB,







Edwin

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