Find the angle between the given vectors to the nearest tenth of a degree.u = i + 
j, v = -i - 2j
A. 132.7°
B. 174.1°
C. 161.6°
D. 120.9°
Answer: B
Mathematics
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What will be an ideal response?
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Express the repeated multiplication in exponential notation.7 ? 7
A. 2 ? 7 B. 73 C. 27 D. 72
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Information is given about a polynomial f(x) whose coefficients are real numbers. Find the remaining zeros of f.Degree 5; zeros: 2, i, 2i
A. -i, -2i B. -2, -2i C. -2, -i D. -2, -i, -2i
Mathematics
Solve by using the square root property.(2x + 2)2 = 16
A. x = 1, x = -3 B. x = 9, x = -9 C. x = 1, x = 3 D. x = 0, x = 1
Mathematics