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bagirrra123 [75]
4 years ago
15

Write the number and the nature of the roots of the quadratic equation whose discriminant is -12

Mathematics
1 answer:
Orlov [11]4 years ago
7 0
Hello
<span>D. 2 imaginary roots (complex conjugates)</span>
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Find the <br> (D)<br> (R)<br> &amp;<br> (A)
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<h3>Answer: Choice C</h3>
  • domain = (-infinity, infinity)
  • range = (-infinity, 0)
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========================================================

Explanation:

Since no division by zero errors are possible, and other domain restricting events are possible, we can plug in any x value we want. This means the domain is the set of all real numbers. Representing this in interval notation would be (-infinity, infinity).

The range is the set of negative real numbers, which when written in interval notation would be (-infinity, 0). This is because y = 5^x has a range of positive real numbers, and it flips when we negate the 5^x term. The graph of y = -5^x extends forever downward, and the upper limit is y = 0.

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3 years ago
Complete the following statement. Write
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Simplify the expression.
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