What constant term should be used to complete the square? x 2 - 5x + _____ = 7
Accepted Solution
A:
Given x^2-5x+c=7, the constant term c will be obtained using the formula: c=(-b/2a)² given that a=1 and b=-5 then plugging the values we shall have: c=(-(-5)/2*1)² c=(5/2)² c=25/4