A TV, has a listed price of $823.95 before tax. If the sales tax rate is 7.75%, find the total cost of the TV with sales tax inc
2 answers:
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Answer:
A
Step-by-step explanation:
Complex roots of quadratic functions occur when the <u>discriminant is negative</u>.
<u>Discriminant</u>
Evaluate the discriminant of each of the given equations.
As -24 < 0 the equation will have complex roots.
As 41 > 0 the equation does not have complex roots.
As 48 > 0 the equation does not have complex roots.
As 33 > 0 the equation does not have complex roots.
Learn more about discriminants here:
Learn more about complex roots here:
Answer:
Step-by-step explanation:
the first answer is D
the second is B
