Odpowiedź :
Odpowiedź:
a)
y = 4x² - 2x + 1, x = 1/2 to y = 4(1/4) - 2(1/2) + 1 = 1 - 1 + 1 = 1
x = - 1/2, to y = 4/4 + 1 + 1 = 1 + 1 + 1 = 3
b) x = 1/2 i x = - 1/2
y = (-8)² + 6x - 1 = 64 + 6/2 - 1 = 66
y = 64 - 3 - 1 = 60
Szczegółowe wyjaśnienie: x = 1/2 i x = - 1/2
a)
y = 4x² - 2x + 1, x = 1/2 to y = 4(1/4) - 2(1/2) + 1 = 1 - 1 + 1 = 1
x = - 1/2, to y = 4/4 + 1 + 1 = 1 + 1 + 1 = 3
b) x = 1/2 i x = - 1/2
y = (-8)² + 6x - 1 = 64 + 6/2 - 1 = 66
y = 64 - 3 - 1 = 60