Find the standard form of the equation of the ellipse satisfying the given conditions.Foci: (-2, 0), (2, 0); x-intercepts: -5 and 5
A. 
+ 
= 1
B. 
+ 
= 1
C. 
+ 
= 1
D. 
+ 
= 1
Answer: C
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Find the root. Assume that all variables represent positive numbers.
A. 100x2 B. 10x2 C. 31x2 D. Not a real number
Solve the problem.Marty's Tee Shirt & Jacket Company is to produce a new line of jackets with an embroidery of a Great Pyrenees dog on the front. There are fixed costs of $660 to set up for production, and variable costs of $41 per jacket. Write an equation that can be used to determine the total cost, C(x), encountered by Marty's Company in producing x jackets.
A. C(x) = (660 + 41) x B. C(x) = 660 - 41x C. C(x) = 660x + 41 D. C(x) = 660 + 41x
Multiply.(-2x2)(5x3)
A. 10x6 B. -10x5 C. 10x5 D. -10x6
Find x and y.
A. x = -3, y = 3 B. x = 3, y = -4 C. no solution D. x = 2, y = -3 E. x = 2, y = -4