Question

Eason

請問如何解題

*
B6
(C)27
6. 設16x²+2y²-8x-4y+3=0,求4x-y之值為下列何者?
(A) 3
(C) 1
3 =0
(B)2
(D)O
16x + 2y = 8x-4 y +
16x + y² - 8x-4y = -3
(3x-5)= (x+1)
-50+8x
13875
2

Answer 1

題目死磕大師🪖

這樣～😄