Question

Tolong bantu kerjain yg no 5. pake cara ya...

Answer 1

2 = px - y
y = px - 2
x^2 + x - 2 = px - 2
x^2 + (1 - p) x = 0
a = 1, b = 1 - p, c = 0
karena hanya punya 1 penyelesaian maka D = 0
b^2 - 4ac = 0
(1 - p)^2 - 4(1)(0) = 0
(1 - p)^2 = 0
1 - p = 0
p = 1