Determine the number that should be added to complete the square of the expression. Then factor the expression.x2 + 4x
A. 4; (x + 2)(x - 2)
B. 4; (x + 2)2
C. 4; (x - 2)2
D. prime
Answer: B
Mathematics
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A. 6.7 ft/s B. 9.5 ft/s C. 18.9 ft/s D. 13.3 ft/s
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Provide an appropriate response.Mentally multiply by using powers of 10: 204 × 100
A. 24,000 B. 0 C. 20,400 D. 204,000
Mathematics
Determine whether the function is odd, even, or neither.f(x) = -6x5 + 2x3
A. Even B. Neither C. Odd
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Graph the linear equation.y = 4x - 6
A. 
B. 
C. 
D. 
Mathematics