The letters x and y represent rectangular coordinates. Write the equation using polar coordinates (r, ?).x2 = 4y
A. 4 sin2 ? = r cos ?
B. r cos2 ? = 4 sin ?
C. r sin2 ? = 4 cos ?
D. 4 cos2 ? = r sin ?
Answer: B
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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(-5, 7) in Quadrant II B. C(-2, -5) in Quadrant III; D(3, -5) in Quadrant IV C. C(3, 12) in Quadrant I; D(-5, 7) in Quadrant II D. C(-2, 3) in Quadrant II; D(7, -5) in Quadrant IV
Factor completely. If a polynomial cannot be factored, say it is prime.48x2y - 147y
A. prime B. 3y(4x + 7)2 C. 3y(4x - 7)2 D. 3y(4x + 7)(4x - 7)
Find the horizontal and vertical asymptotes of the graph.
?
?
Horizontal asymptote is __________
?
Vertical asymptote is __________
?
What will be an ideal response?
Find the slope of the line that goes through the given points.(
, -4) and (
, 4)
A. Undefined
B. 
C. 0
D. 