Factor completely.u2 - 4uv - 32v2
A. Prime
B. (u - 4v)(u + 8v)
C. (u - 4v)(u + v)
D. (u + 4v)(u - 8v)
Answer: D
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Sketch the graph and show all local extrema and inflection points.y = -x4 + 4x2 - 5
A. Local minima: (-
, 1), (
, 1)
Local maximum: (0, 5)
Inflection point: 
, 
B. Local maxima: (-
, -1), (
, -1)
Inflection points: 
, 
C. Local maxima: (-
, -1), (
, -1)
Local minimum: (0, -5)
No inflection points
D. Local maxima: (-
, -1), (
, -1)
Local minimum: (0, -5)
Inflection points: 
, 
If a triangle has vertices of 
and 
then the area of the triangle is given by 
Find the area of the triangle with vertices at the given points.(-4, -4) (1, 4) (4, 2)
A. 34 B. 52 C. 26 D. 17
Combine the following, if possible.-28
- 7
A. -21ab
B. -35
C. 21ab
D. -21
Use a graphing utility to find the equation of the line of best fit. Round to two decimal places, if necessary.
A. y = 0.73x + 4.98 B. y = 0.43x + 4.98 C. y = 0.63x + 4.88 D. y = 0.53x + 4.88