Practice problem
For which values of ccc will the equation 2x2+4x+c=02x^2+4x+c=02x2+4x+c=0 have no real solutions?
c<4c < 4c<4
c≤−2c \le -2c≤−2
c>−2c > -2c>−2
c≥2c \ge 2c≥2
c>2c > 2c>2
c<2c < 2c<2
c≤4c \le 4c≤4
Type a concept, like “slope” or “photosynthesis”.