Solve the equation.log2 (3x - 1) = 2
A. 
B. 
C. 
D. ?
Answer: C
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Rotate the axes so that the new equation contains no xy-term. Discuss the new equation.17x2 - 12xy + 8y2 - 68x + 24y -12 = 0
A. ? = 63.4°
x'2 = -16y'
parabola
vertex at (0, 0)
focus at (0, -4)
B. ? = 63.4°
+ 
= 1
ellipse
center at (
, - 
)
major axis is x'-axis
vertices at (4 + 
, - 
) and (-4 + 
, - 
)
C. ? = 26.6°
+ 
= 1
ellipse
center at (0, 0)
major axis is y'-axis
vertices at (0, ±4)
D. ? = 63.4°
- 
= 1
hyperbola
center at (0, 0)
transverse axis is the x'-axis
vertices at (±4, 0)
Find the area of the figure. Use 3.14 for ?. Round your answer to the nearest tenth.
A. 628.5 m2 B. 729.0 m2 C. 724.5 m2 D. Not enough data
Name the quadrant in which the point is located. (-4, -4)
A) I B) III C) IV D) II
Give the maximum number of zeros the polynomial function may have. Use Descarte's Rule of Signs to determine how many positive and how many negative zeros it may have.f(x) = -4x9 + x3 - x2 + 7
A. 9; 3 or 1 positive zeros; 2 or 0 negative zeros B. 9; 2 or 0 positive zeros; 3 or 1 negative zeros C. 9; 3 or 1 positive zeros; 3 or 1 negative zeros D. 9; 2 or 0 positive zeros; 2 or 0 negative zeros