Answer
discriminant, negative.
Work Step by Step
Discriminant of a Quadratic Equation
For a quadratic equation $ax^{2}+bx+c=0,a\neq 0$ :
1. If $b^{2}-4ac\gt 0,$ there are two unequal real solutions.
2. If $b^{2}-4ac=0,$ there is a repeated solution, a double root.
3. If $b^{2}-4ac \lt 0$ , there is no real solution.
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Fill the blanks with: discriminant, negative.