Use the quadratic formula to solve the quadratic equation.x2 + 16x + 41 = 0
A. x = 8 ± 
B. x = -8 ± 
C. x = 16 ± 
D. x = -8 ± 
Answer: D
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Solve the equation.(y - 8) - (y + 4) = 7y
A. 
B. 
C. 
D. 
In each case below, give an example of a matrix that meets the specified condition.(a) A and B so that AB is not defined (b) a 2 × 2 matrix that has no inverse(c) C and D so that CD is defined but DC is not defined
What will be an ideal response?
Perform the indicated operation.19.108 - 3.541
A. 22.649 B. 15.567 C. 15.667 D. 15.467
Solve.Find the center, foci, and vertices of the ellipse 36(x - 1)2 + 16(y + 2)2 = 576
A. center at (-2, 1)
foci at (-2, 1 - 2
), (-2, 1 + 2
)
vertices at (-2, 4), (-2, -8)
B. center at (-1, -2)
foci at (-1, -2 - 2
), (-1, -2 + 2
)
vertices at (-1, 4), (-1, -8)
C. center at (2, -2)
foci at (2, -2 - 2
), (2, -2 + 2
)
vertices at (2, 4), (2, -8)
D. center at (1, -2)
foci at (1, -2 - 2
), (1, -2 + 2
)
vertices at (1, 4), (1, -8)