Without graphing, determine whether the equation has a graph that is symmetric with respect to the x-axis, the y-axis, the origin, or the line
a. the x-axis
b. the y-axis
c. the origin
d. the line
b. the y-axis
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Solve.David drives for 
hour to get his friend Tom's house. He then drives 
hour to get to the bowling alley. How many hours does David spend driving?
A. 
hour
B. 
hour
C. 
hour
D. 
hour
Use the discriminant to identify the graph of the non-degenerate conic as a parabola, an ellipse, or a hyperbola.2x2 + 5xy - 9y2 + 4x - 2y + 9 = 0
A. parabola B. hyperbola C. ellipse
Solve the problem using the elimination method.The sum of two numbers is 5. Three times the larger number plus four times the smaller number is 6. Find the numbers.
A. 14 and -9 B. 19 and -14 C. 9 and -4 D. 9 and -14
An experimental balloon is to have a diameter of 5.68 m. How much material is needed for this balloon? ?
A. 143 m 2 B. 23.0 m 2 C. 101 m 2 D. 25.3 m 2 E. 71.4 m 2