Question

Hp dari y = -x^2 + 2x +3 dan y = x^2 - 4x+3

Answer 1

Verified answer

Y = -x² + 2x + 3
y = x² - 4x + 3
x² - 4x + 3= - x²  + 2x + 3
2x² - 6x = 0
2x(x- 3) = 0
2x=0 ∨  x- 3= 0
x= 0  ∨ x= 3

y = x²  - 4x + 3
x =0 → y = 3
x= 3 → y = 0

HP (x,y)= (0,3) ,( 3,0)