Combine like terms.4x2 - 4xy + 8y2 - 8x2 - xy
A. 4x2 - 5xy
B. -4x2 - 3xy + 8y2
C. -4x2 - 5xy + 8y2
D. 4x2 - 5xy + 8y2
Answer: C
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Write the domain and range of the function in interval notation.f(x) = 4x - 9
A. D: [9, ?); R: (-?, ?) B. D: (-?, ?); R: (-?, ?) C. D: [0, ?); R: (-?, ?) D. D: (-?, 0) ? (0, ?); R: (-?, ?)
Rotate the axes so that the new equation contains no xy-term. Discuss the new equation.24xy - 7y2 + 36 = 0
A. ? = 53.1°
- 
= 1
hyperbola
center at (0, 0)
transverse axis is the y'-axis
vertices at (0, ±2)
B. ? = 36.9°
- 
= 1
hyperbola
center at (0, 0)
transverse axis is the y'-axis
vertices at (0, ±3)
C. ? = 36.9°
- 
= 1
hyperbola
center at (0, 0)
transverse axis is the y'-axis
vertices at (0, ± 
)
D. ? = 36.9°
- 
= 1
hyperbola
center at (0, 0)
transverse axis is the y'-axis
vertices at (0, ±2)
Find the area.
All segments are of equal length
A. 144 yd2 B. 72 yd2 C. 108 yd2 D. 180 yd2
Divide and simplify.
A. 
B. t-6
C. t2
D. 