Determine whether the two given lines are perpendicular.y = -4xx = 9
A. Yes
B. No
Answer: B
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Graph the ellipse. Give the coordinates of the center, as well as the values of a and b.64x2 + y2 - 384x + 512 = 0
A. center (3, 0), a = 1, b = 8
B. center (0, 3), a = 8, b = 1
C. center (3, 0), a = 1, b = 8
D. center (-3, 0), a = 8, b = 1
Find the length of the curve.y = 
, 2 ? x ? 5
A. 14
B. 21
C. 6
D. 
Solve the problem.The expression 50b + 240 describes the cost of materials for an X24 computer chip, where b is the number of chips produced. The expression 20b + 700 describes the labor costs. How many chips can be produced with a total budget of $4370?
A. 49 chips B. 51 chips C. 46 chips D. 59 chips
Find the vertices of the ellipse.4x2 + 5y2 + 16x - 30y + 41 = 0
A. (-2, 3 + 
) and (-2, 3 - 
)
B. (2, -3 + 
) and (2, -3 - 
)
C. (-2 + 
, 3) and (-2 - 
, 3)
D. (2 + 
, -3) and (2 - 
, -3)