Factor completely.-21x2 - 91x + 70
A. -7(x + 5)(3x - 2)
B. (x + 5)(-21x + 14)
C. (-3x + 2)(7x + 35)
D. -7(x - 5)(3x + 2)
Answer: A
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List all numbers from the given set that are members of the given Real Number subset.
Integers
A. 11, -12, 0
B. 11, -12, 0, 
C. 11, 0, 
D. 11, -12, 0, 
Consider a function 
. When 
is increasing, what can be said about 
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?
A. is positive.
B. is negative.
C. is zero.
D. is increasing.
Find all the roots of the complex number. Put answers in standard form.Cube roots of 64 (cos 120° + j sin 120°)
A. 4(0.643 + 0.766j), 4(-0.342 + 0.940j), 4(0.985 - 0.174j)
B. 4(-
+ 
i), 4(
i - 
), 4(
+ 
i)
C. 4(
+ 
i), 4(-
+ 
i), 4(
- 
i)
D. 4(0.766 + 0.643j), 4(-0.940 + 0.342j), 4(0.174 - 0.985j)
Suppose you start at the origin, move along the x-axis a distance of 5 units in the positive direction, and then move downward a distance of 3 units. What are the coordinates of your position?
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