gambarkan grafik fungsi kuadrat y=1/4x2

y = [tex] \dfrac{1}{4} [/tex]x^2

jika x = 0
y = [tex] \dfrac{1}{4} [/tex](0)²
y = 0
(0,0)

jika x = 2
y = [tex] \dfrac{1}{4} [/tex](2)²
y = 1
(2,1)

jika x = -2
y = [tex] \dfrac{1}{4} [/tex](-2)²
y = 1
(-2,1)

Hubungkan titik (-2,1), (0,0), dan (2,1)