Solve by the quadratic formula.
+ x + 
= 0
A. {-6 ± 
}
B. {-12 ± 
}
C. {6 ± 
}
D. {6 ± 
}
Answer: A
Mathematics
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Factor completely. If the polynomial is prime, state so.56s3 + 7
A. 7(2s + 1)(4s2 + 2s + 1) B. 7(2s + 1)(4s2 - 2s + 1) C. 7(2s + 7)(4s2 - 14s + 7) D. 7(2s - 1)(4s2 + 2s + 1)
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Use order of operations to simplify the expression.(8 - 1) - (-20 + 16)
A. -3 B. 13 C. 11 D. -29
Mathematics
Write the number in scientific notation.7,400,000
A. 7.4 × 10-6 B. 7.4 × 106 C. 7.4 × 10-7 D. 7.4 × 107
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Find the special product.
A. 81 - 
z2
B. 81 + 
z - 
z2
C. 81 - 
z2
D. 81 - 
z - 
z2
Mathematics