Multiply.(9x + 11y)2
A. 9x2 + 198xy + 121y2
B. 81x2 + 198xy + 121y2
C. 81x2 + 121y2
D. 9x2 + 121y2
Answer: B
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Solve the problem.Note that 
From this, we might conjecture that 12 + 12 + 22 + ... + 
= FN × y where y =
A. FN-1. B. 13. C. FN. D. FN+1. E. none of these
Determine whether y ? ? or y ? -? as x ? -? and x ? ?.y = x3 - 5x2 - 2x - 10
A. y ? -? as x ? -?; y ?- ? as x ? ? B. y ? -? as x ? -?; y ? ? as x ? ? C. y ? ? as x ? -?; y ? ? as x ? ? D. y ? ? as x ? -?; y ? -? as x ? ?
Classify the triangle as equilateral, isosceles, or scalene. Then classify it as right, obtuse, or acute.
A. Scalene; obtuse B. Equilateral; acute C. Isosceles; obtuse D. Equilateral; obtuse
Determine whether the slope of the line is positive, negative, zero, or undefined.
A. negative B. undefined C. zero D. positive