choices are:
a) 4+i
b) 4
c) -4+i
d) -4
7 Answers
-
x2-8x=-17 now complete the square
x^2-8x+16 = -1
(x-4)^2 = i^2
x -4 = ± i
x = 4 ± i
A solution is a) 4 + i
-
a.
4+i
-
a) 4+i
4-1 would be a solution as well
-
4 + i, 4 – i
A is the only one that fits
-
8+-(64-4x1x17)/2 so it’s not possible u must have written the equation down wrong
-
a
-
c
