Classify the graph of the equation as a circle, a parabola, an ellipse, or a hyperbola.
7x2+ 7y2– 7x + 9y – 2 = 0
A) ellipse
B) parabola
C) circle
D) hyperbola
C) circle
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Simplify the exponential expression.40
A. 4 B. 0 C. -1 D. 1
Perform the indicated operation. Simplify the result, if possible.
? 
A. 
B. 
C. 
D. 
Solve the problem.The earth, Jupiter, Saturn, and Neptune all revolve around the sun. The earth takes 1 year, Jupiter approximately 12 years, Saturn approximately 30 years, and Neptune approximately 165 years to make a complete revolution. How often will Jupiter and Neptune appear in the same direction in the night sky as seen from earth?[Hint: Find the LCM of 12 and 165]
A. Every 330 years B. Every 1980 years C. Every 660 years D. Every 1320 years
Find an equation in slope-intercept form for the nonvertical lines. Write the vertical lines in the form x = h.Passing through (-2, 4) and (-2, -6)
A. y = 4 B. y = -2 C. x = -2 D. x = 4