Jawab:
Penjelasan dengan langkah-langkah:
x - y = 1
y = x - 1
x² + 2y = 6
x² + 2(x - 1) = 6
x² + 2x - 2 - 6 = 0
x² + 2x - 8 = 0
(x + 4) (x - 2) = 0
x + 4 = 0
x = -4
y = -4 - 1 = -5
x - 2 = 0
x = 2
y = 2 - 1 = 1
HP = {(-4, -5), (2, 1)} C
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Jawab:
Penjelasan dengan langkah-langkah:
x - y = 1
y = x - 1
x² + 2y = 6
x² + 2(x - 1) = 6
x² + 2x - 2 - 6 = 0
x² + 2x - 8 = 0
(x + 4) (x - 2) = 0
x + 4 = 0
x = -4
y = -4 - 1 = -5
x - 2 = 0
x = 2
y = 2 - 1 = 1
HP = {(-4, -5), (2, 1)} C
x + 2y - 2 = 2
2x - y + z = 2
3x + 2y - 42 = 1
adalah
A. (-1,2,3)
B. (-1,1,2)
C. (2,-1,2)
D. (1,1,1)
E. (1,2,3)