Determine the range of kkk for which x2+8x+k=0x^2 + 8x + k = 0x2+8x+k=0 has no real solutions.
k>16k > 16k>16
k<16k < 16k<16
k≥16k \geq 16k≥16
k≤16k \leq 16k≤16