Traditional Culture Encyclopedia - Photography and portraiture - As shown in the figure, the straight line Y is equal to kx plus 6, and the X-axis of the Y-axis intersects with the point efa-80A and subtracts 60 to find the value of K. If the point pxy is straight,
As shown in the figure, the straight line Y is equal to kx plus 6, and the X-axis of the Y-axis intersects with the point efa-80A and subtracts 60 to find the value of K. If the point pxy is straight,
1 y=kx+6
Replacement point e (-8,0)
0=6-8k k=3/4
y=3x/4+6
2 OPA area = |-6 | | | 3x/4+6 |/2 = | 9x/4+ 18 |
Because the points P∈, 9x/4+18 >; =0
Sopa=9x/4+ 18 -8
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