Graph the equation.x2 - 25y - 10x = 0
A. 
B. 
C. 
D. 
Answer: A
Mathematics
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Below are the lengths of the sides of a triangle. Which is a right triangle?
A. 6, 4, 5 B. 6, 4, 6 C. 6, 8, 10 D. 7, 4, 6 E. none of these
Mathematics
Transform the equation to a form without an xy-term by a rotation of axes and then identify the curve.x2 + 4xy - 2y2 = 7
A. 
x'2 - 
y'2 = 1; parabola
B. 
x'2 - 
y'2 = 1; hyperbola
C. 
x'2 + 
y'2 = 1; hyperbola
D. 
x'2 - 
y'2 = 1; hyperbola
Mathematics
Determine whether the data represent direct variation, inverse variation, or neither.
A. Direct B. Neither C. Inverse
Mathematics
Calculate.-107 - (-12 ) - (-33) - (-69)
A. 7 B. -197 C. -7 D. 197
Mathematics