Multiply the polynomials. Express the answer as a single polynomial in standard form.(x + 8)(x - 8)
A. x2 - 16x - 64
B. x2 + 16x - 64
C. x2 - 16
D. x2 - 64
Answer: D
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Write an equation for the hyperbola.
A. 
- 
= 1
B. 
- 
= 1
C. 
- 
= 1
D. 
- 
= 1
Determine whether the system corresponding to the given augmented matrix is consistent or inconsistent. If it is consistent, give the solution.
A. consistent; z = -3; (-9) B. consistent; x = 0, y = 0; (0, 0) C. consistent; x = 0, y = -3; (0, -3) D. inconsistent
Solve.The force needed to keep a car from skidding on a curve varies jointly as the weight of the car and the square of the car's speed, and inversely as the radius of the curve. If a force of 
is needed to keep an 
car traveling at 20 mph from skidding on a curve of radius 
what force would be required to keep the same car from skidding on a curve of radius 
-4.0px;" /> at 
Round your answer to the nearest pound of force?
A. 8047 pounds
B. 7345 pounds
C. 7477 pounds
D. 7509 pounds
Find all complex zeros of the polynomial function. Give exact values. List multiple zeros as necessary.f(x) = x3 - 64
A. 4, -1 + 2
i, -1 - 2
i
B. 4, -2 + 
i, -2 - 
i
C. 4, -2 + 2
i, -2 - 2
i
D. 4, -2 + 4
i, -2 - 4
i