Complete the square in x or y to find a Cartesian equation of the form y = C(x - h)2 + k or x = C(y - h)2 + k for the given equation.y2 - 2y - 3x - 14 = 0
A. x = 
(y - 1)2 + 5
B. x = - 
(y + 1)2 - 5
C. x = 
(y - 1)2 - 5
D. x = 
(y + 1)2 - 5
Answer: C
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Use the quotient rule to simplify the expression. Write the answer with only positive exponents.
A. -512
B. 522
C. 512
D. 
Find the indicated term or coefficient of the binomial expansion.Find the 9th term of the expansion of (x + 2y)12.
A. 126,720x4y8 B. 126,720x8y4 C. 63,360x4y9 D. 63,360x8y4
Provide an appropriate response.Suppose that A and B are both matrices of dimension r × s. Under what condition(s) can both the product AB and the product BA be found?
A. If r > 1 B. If r = s (Both matrices are square.) C. If r = 1 D. There are no conditions under which both products can be found.
Solve the equation.-20.4 - x = 10.8
A. {-9.6} B. {31.2} C. {9.6} D. {-31.2}