Find the foci and endpoints of each axis for the given ellipse.16x2 + 4y2 = 64
A. Foci: (± 12, 0); vertices: (± 4, 0);
endpoints of the minor axis: (0, ± 16)
B. Foci: (0, ± 12); vertices: (0, ± 16);
endpoints of the minor axis: (± 4, 0)
C. Foci: (0 , ±
); vertices: (0, ± 4);
endpoints of the minor axis: (± 2, 0)
D. Foci: (±
, 0); vertices: (± 4, 0);
endpoints of the minor axis: (0, ± 2)
Answer: C
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Solve using any appropriate method. If the system has an infinite number of solutions, use set-builder notation to write the solution set. If the system has no solution, state this.x - 5y = 3x = 8 + 5y
A. (3, 5) B. {(x, y)|x = 8 + 5y} C. No solution D. {(x, y)|x - 5y = 3}
Simplify.
A. 5
B. 3x2
C. 75x
D. 5x
Factor out the greatest common factor from the polynomial. Use a positive coefficient on the GCF.16wx - 12wy - 8wz
A. 16w(x - 12y - 8z) B. 4w(4x - 3y - 2z) C. 4w(4x - 12wy - 8wz) D. 4(4wx - 3wy - 2wz)
Solve the application.Joan bought 8.5 yards of fabric for $38.25. What was the price of a yard of fabric?
A. $18.50 per yd B. $29.75 per yd C. $4.50 per yd D. $46.75 per yd