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標題:
Given that maximum value of function y=-x2+8x+k is 10,find the value of k.?
發問:
最佳解答:
Sol y=－x^2+8x+k =-(x^2－8x)+k =－(x^2－8x+16)+k+16 =－(x－4)^2+k+16 當x=4時有曼大值 k+16 k+16=10 k=－6
其他解答:
Given that maximum value of function y=-x2+8x+k is 10,find the value of k.?
發問:
最佳解答:
Sol y=－x^2+8x+k =-(x^2－8x)+k =－(x^2－8x+16)+k+16 =－(x－4)^2+k+16 當x=4時有曼大值 k+16 k+16=10 k=－6
其他解答:
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