Find the magnitude and direction angle of 
.
A. ?
B. ?
C. ?
D. ?
E. ?
Answer: C
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Use an ordered pair to identify each point on the given coordinate plane. State the quadrant or axis where each point lies.
A. C(-2, 3) in Quadrant II; D(-3, 4) in Quadrant II B. C(-2, -3) in Quadrant III; D(3, -3) in Quadrant IV C. C(-2, 3) in Quadrant II; D(4, -3) in Quadrant IV D. C(3, 12) in Quadrant I; D(-3, 4) in Quadrant II
Add, subtract, or multiply, as indicated. Express your answer as a single polynomial in standard form.4x(x4 + 4x + 2)
A. 4x5 + 16x2 + 8x B. 4x5 + 4x2 + 8 C. 4x4 + 4x2 + 8x D. 8x4 + 16x2 + 8x
Find the value of the expression using the given values.
for x = -6
A. -2
B. -6
C. 6
D. 2
Find the standard equation of the parabola with the given focus and directrix.Focus: (0, 3); directrix: y = -5
A. y2 = -16(x + 1) B. x2 = 16(y + 1) C. y2 = 16(x + 1) D. x2 = -16(y + 1)