Solve the equation by completing the square.7x2 + 20x = -14
A. 
B. 
C. 
D. 
Answer: A
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Find the equation for the plane tangent to the parametrized surface S at the point P.S is the cylinder r(?, z) = 16 cos2 ?i + 8 sin 2?j + zk; P is the point corresponding to 
.
Fill in the blank(s) with the appropriate word(s).
Solve each problem.Le Boulangerie, a bakery, sells four main items: sweet rolls, bread, cakes, and pies. The amount of each ingredient (in cups, except for eggs) required for these items is given by matrix A. Eggs Flour Sugar Shortening Milk
= A
Suppose a day's orders consist of 20 dozen sweet rolls, 200 loaves of bread, 50 cakes, and 60 pies. Write the orders as a 1 × 4 matrix and, using matrix multiplication, write as a matrix the amount of each ingredient needed to fill the day's orders.
A. 
B. 
C. 
D. These matrices cannot be multiplied.
Refer to this figure to answer the question. Assume 
and 
are parallel.
Are ?CDA and ?DHI supplementary?
A. No B. Yes
Find the limit algebraically.
A. 
B. 1
C. -1
D. does not exist