Answered

translate f(x)= x²-18x+65 to f(x)=a(x-h)²+k

Sagot :

Cheahjimmyviz
f(x) =      x² - 18x + 65
       = 1( x- 9)² +65 - 81          /     (18/2)² = 8
        = 1(x -9)² - 16
to complete the square we added 81
so to balance the expression we added - 81