Absis titik balik grafik fungsi f(x) = px² + (p - 3) x + 2 adalah p. Nilai p =

turunan = 0
2px - (p - 3) = 0
absisnya = p maka x = p
2p.p - (p - 3) = 0
2p² - p + 3 = 0
(2p - 3)(p + 1) = 0
2p - 3 = 0
p = 3/2
p + 1 = 0
p = -1