Answer:
Step-by-step explanation:
The conjugate of a radical expression is obtained by changing the sign of the middle term.
The conjugate of is simply
Therefore, to obtain the conjugate of the given expression we simply shall be changing the negative sign to positive;
The conjugate of is simply;
Answer:
(x + 2)² + (y − 9)² = 36
Step-by-step explanation:
Equation of a circle is:
(x − h)² + (y − k)² = r²
where (h, k) is the center and r is the radius.
Here, the center is (-2, 9) and the radius is 12/2 = 6.
(x + 2)² + (y − 9)² = 36
In exponential functions, the value of the base, b, is an important factor. b is one of the two parameters that must be thoroughly though of. Its value should always be positive. Hence, this cannot take values of zero and lesser. Second, this base cannot be equal to 1, a constant function will occur because 1 raised to whatever number will always be one. Therefore, the answer to this item is letter B.
Answer: B.
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