Practice problem
For which values of aaa will the equation ax2+4x−1=0ax^2+4x-1=0ax2+4x−1=0 have no real solutions?
a>−4a > -4a>−4
a>4a > 4a>4
a<−4a < -4a<−4
a<4a < 4a<4
a≤−4a \le -4a≤−4
a≥−4a \ge -4a≥−4
Type a concept, like “slope” or “photosynthesis”.