Which graph represents the compound inequality?n < –2 or n ≥ 4
2 answers:
we have
-------> inequality A
The solution of the inequality A is the interval------> (-∞,-2)
All real numbers less than
-------> inequality B
The solution of the inequality B is the interval------> [4,∞)
All real numbers greater than or equal to
The solution of the compound inequality A or B is equal to
Solution A+Solution B
(-∞,-2) U [4,∞)
therefore
the answer in the attached figure
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For this case suppose that we have a quadratic equation of the form:
The solution to the quadratic recuacion is given by:
Where,
The discriminant is:
When the discriminant is greater than zero, then the root is positive, and therefore, we have two positive real solutions.
Answer:
B. it has two real solutions
The solution to the quadratic recuacion is given by:
Where,
The discriminant is:
When the discriminant is greater than zero, then the root is positive, and therefore, we have two positive real solutions.
Answer:
B. it has two real solutions