Question

DUE IN 10 MIN PLEASE HELP use the method of completing the square to find the x-intercepts. (Use the Equation Editor to show all steps)

y=x^2 - 14x + 48

Answer 1

Explanation:

complete the square:

Take a quadratic equation : ax²+bx+c and turn it to

a(x+d)²+e

d=b/2a and e=c-b²/4a

y=x^2 - 14x + 48

a=1 , b=-14 , c=48

d=-14/2=-7

e= 48-14²/4

e= 48-49

e=-1

complete the square for y=x²-14x+48

y= (x-7)²-1