How can you tell when a quadratic equation has two identical, rational solutions?

40 describe the outliers from the scatter plot.

What is the base of 1/9 to the power of 2

Which statements describe the solutions to the inequality x< -20 check all that apply. there are infinite solutions. each solution is negative. each solution is positive. the solutions are both positive and negative. the solutions contain only integer values. the solutions contain rational number values.