Tentukan himpunan dariy=2x+3y=2x²-4x+7

Y = 2x + 3
y = 2x² – 4x + 7

y = y
2x² – 4x + 7 = 2x + 3
2x² – 6x + 4 = 0
(2x – 4)(x – 1) = 0
x = 2 atau x = 1

Utk x = 2 —> y = 2x + 3 = 7
Utk x = 1 —> y = 5

HP = {(2,7),(1,5)}✔