Solve the equation by making an appropriate substitution.x4 - 22x2 - 75 = 0
A. {- 
, 
, -5i, 5i}
B. {-25, 3}
C. {-5, 5, -i
, i
}
D. {5, i
}
Answer: C
Mathematics
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Perform the matrix multiplication.
A. 
B. Not defined
C. 
D. 
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Complete the square. Then write the trinomial square in factored form.x2 - 10x
A. x2 - 10x + 25; 
2
B. x2 - 10x + 25; 
2
C. x2 - 10x; 
2
D. x2 - 10x - 25; 
2
Mathematics
Solve the problem.Find the total surface area of a box 10.9 cm by 16.7 cm by 18 cm. Round to the nearest whole number.
A. 679 cm2 B. 1358 cm2 C. 1329 cm2 D. 1057 cm2
Mathematics
Provide an appropriate response.Determine the point elasticity ? of the demand equation pq + p + 50q = 10,000 when p = 200.
What will be an ideal response?
Mathematics