Find the center and radius of the circle with the given equation. x2 + y2 = 9

A. Center (0, 0), r = 3
B. Center (0, 0), r = 9
C. Center (3, 3), r = 9
D. Center (3, 3), r = 3


Answer: A

Mathematics

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Simplify.26 + 23 ÷ (-2)

A. -10,976.000 B. 22 C. -17.000 D. 30

Mathematics

Rewrite the sentence using scientific notation.The conservation center rescued an injured bat weighing 0.0058 kilograms.

A. The conservation center rescued an injured bat weighing 5.8 × 10-2 kilograms. B. The conservation center rescued an injured bat weighing 58 × 10-4 kilograms. C. The conservation center rescued an injured bat weighing 5.8 × 10-3 kilograms. D. The conservation center rescued an injured bat weighing 5.8 × 10-4 kilograms.

Mathematics

Solve and give interval notation for the solution set. Then graph the solution set.-2 < -2x ? 6

A. (-3, 1)

B. [-3, 1]

C. [-3, 1)

D. (-1, 3]


Mathematics

For the given set of ordered pairs, determine whether a function could be defined for which the input would be an x-coordinate and the output would be the corresponding y-coordinate.{(-5, -6), (-3, 2), (4, 3), (4, 6)}

A. Yes B. No

Mathematics