Answer:
X=5
Step-by-step explanation:
hope this helps:)
"The discriminant is prime?" I haven't heard that one before.
Here are the general rules:
1. a positive discriminant results in two real, unequal roots.
2. a zero discr. results in two real, equal roots.
3. a negative discr. results in two complex roots, which sometimes means two imaginary roots.
Answer:
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Step-by-step explanation:
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|13-6| < x < |13+6|
So the range will be:
7 < x < 19
5n + 4 = 39
5n = 39 -4
5n = 35
n = 35:5
n = 7
