What is the slope of a line that is perpendicular to the line y = -1/2x +5
1 answer:
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Answer:
A
Step-by-step explanation:
Discriminant is given by
If it is negative then in quadratic formula the square root part becomes negative which makes the solution complex.
so there cannot be any real solution if the Discriminant is negative or less than 0 ,
The correct option for the given question is
A