Question

Pake cara ya.. nomor9

Answer 1

Y = px - 3
y = x²+2x-3

px-3 = x²+2x-3
     0 = x²+(2-p)x

memiliki satu penyelesaian, maka D = 0
           D = 0
  b²-4.a.c = 0
(2-p)² - 0 = 0
         2-p = 0
            p = 2.....................opsi D