The polar coordinates of a point are given. Find the rectangular coordinates of the point.(5, 90°)
A. (-5, 0)
B. (0, -5)
C. (0, 5)
D. (5, 0)
Answer: C
Mathematics
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Find the center and radius of the circle.x2 - 10x + 25 + y2 - 4y + 4 = 64
A. (5, 2), r = 8 B. (-2, -5), r = 64 C. (-5, -2), r = 64 D. (2, 5), r = 8
Mathematics
Graph the equations of the system. Then solve the system to find the points of intersection.
What will be an ideal response?
Mathematics
Find the function value.Let f(x) = 7x2 - 4x + 8. Find f(-x).
A. -7x2 + 4x - 8 B. -7x2 + 5x + 8 C. 6x2 + 5x + 7 D. 7x2 + 4x + 8
Mathematics
Solve the inequality and graph the solution on the real number line.
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Mathematics