Provide an appropriate response.Plot the following ordered pairs in the same xy-plane. Tell in which quadrant or on what coordinate axis each point lies. A(2, -4), B(0, 1), C(-4, 0), D(3, 2), E(-2, -3), F(-1, 3) 
A. A: quadrant IV, B: y-axis, C: x-axis
D: quadrant I, E: quadrant II,
F: quadrant III
B. A: quadrant IV, B: x-axis, C: y-axis
D: quadrant I, E: quadrant III,
F: quadrant II
C. A: quadrant I, B: y-axis, C: x-axis
D: quadrant IV, E: quadrant III,
F: quadrant II
D. A: quadrant IV, B: y-axis, C: x-axis
D: quadrant I, E: quadrant III,
F: quadrant II
Answer: D
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Graph the ellipse and locate the foci.
+ 
= 1
A. foci at (
, 0) and (-
, 0)
B. foci at (2
, 0) and (-2
, 0)
C. foci at (2
, 0) and (-2
, 0)
D. foci at (0, 2
) and (0, -2
)
Find a basis for the set of all solutions to the difference equation.yk+3 - 4yk+2 - 4yk+1 + 16yk = 0 for all k
A. 2k, 4k, (-2)k, (-3)k B. 2k, (-2)k, (-4)k C. 2k, 4k, (-2)k D. 2k, 4k
A cable railway had a 14-foot-diameter pulley to drive the cable (see the figure). In order to keep the cable cars moving at a linear velocity of 13 miles per hour, how fast would the pulley need to turn (in revolutions per minute)? (1 mi = 5,280 ft)
?
?
If the answer needs rounding, round it to the nearest tenth.
?
__________ rpm
What will be an ideal response?
Solve the problem.The half-life of radium is 1690 years. If 150 grams is present now, how long (to the nearest year) till only 100 grams are present?
Fill in the blank(s) with the appropriate word(s).