Write the number in simplest form, without a negative radicand.
A. -2
B. 2i
C. -2i
D. 2
Answer: B
Mathematics
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Multiply.-7x6(-5x6 + 10x5)
A. -35x6 B. 35x12 + 10x5 C. -35x12 - 35x11 D. 35x12 - 70x11
Mathematics
Multiply mentally.
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What will be an ideal response?
Mathematics
Solve by the method of your choice.x2 + y2 = 40 -13x + y2 = 82
A. {(-6, 2), (-6, -2), (6, 2), (6, -2)} B. {(-6, 2)} C. {(-6, 2), (-6, -2), (-7, 2), (-7, -2)} D. {(-6, 2), (-6, -2)}
Mathematics
The polar coordinates of a point are given. Find the rectangular coordinates of the point.(400, 130°) Round the rectangular coordinates to two decimal places.
A. (-257.12, -306.42) B. (-257.12, 306.42) C. (306.42, 257.12) D. (306.42, -257.12)
Mathematics