Determine whether the graph of the equation is symmetric with respect to the x-axis, the y-axis, and/or the origin.4x2 + y2 = 4
A. y-axis
B. origin
C. x-axis
D. x-axis, y-axis, origin
E. none
Answer: D
Mathematics
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Perform the indicated operation.(4n7 - 6n + 3n5) + (9n5 + 8n7 + 7n)
A. 12n7 + 12n5 + 1n B. 2n7 + 13n5 + 10n C. 25n13 D. 12n + 12n7 + 1n5
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Graph and write interval notation for the compound inequality.x ? 2 and x ? -2
A. [-2, 2)
B. (-2, 2)
C. [-2, 2]
D. (-2, 2]
Mathematics
Solve. x - y + 3z = 154x + z = 4 x + 4y + z = -8
A. (4, 0, -3) B. (-3, 0, 4) C. (4, -3, 0) D. (0, -3, 4)
Mathematics
Solve the problem.A banquet dinner is being organized by a club. The actual cost of the dinner is $20 per person. The members are to pay $4 to attend, with the club making up the difference. What percentage of the dinner's cost is the club going to pay?
A. 75% B. 90% C. 85% D. 80%
Mathematics