Solve the system using the elimination method or a combination of the elimination and substitution methods.x2 + 4xy + 2y2 = 1x2 - 4xy - 2y2 = 1
A. {(1, 0), (1, 1)}
B. {(1, -2), (-1, 2)}
C. {(1, 0), (-1, 0), (1, -2), (-1, 2)}
D. {(1, 1), (-1, -1), (1, -2), (-1, 2)}
Answer: C
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Find the simple interest. The rate is an annual rate unless otherwise noted. Assume 365 days in a year and 30 days per month. Round to the nearest cent.$600 at 5% for 7 years
A. $21.00 B. $210.00 C. $428.57 D. $17.14
Continue the pattern for five more items in the list.6, 12, 18, 24, ...
A. 30, 36, 42, 48, 54 B. 30, 37, 44, 51, 58 C. 31, 38, 45, 52, 59 D. 11, 17, 24, 32, 41
Approximate the area under the curve and above the x-axis using n rectangles. Let the height of each rectangle be given by the value of the function at the right side of the rectangle.y = 
from x = 1 to x = 6; n = 5
A. 5.8000 B. 18.2667 C. 19.6000 D. 11.6000
Graph the equation.f(x) = (x + 5)2
A. 
B. 
C. 
D. 