Find the real solutions, if any, of the equation. Use the quadratic formula.x2 + 8x - 3 = 0
A. {-4 - 
, -4 + 
}
B. {-1 - 
, -1 + 
}
C. {4 + 
}
D. {-4 - 1
, -4 + 1
}
Answer: A
Mathematics
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a. 
b. 
c. 
d. 
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Solve. Remember to insert units when writing your answer.A student mistakenly added 86 cL of water to a mixture instead of 28 mL. Find the excess amount of water.
A. 58 mL B. 85.72 mL C. 832 mL D. 8572 mL
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Graph the solution set of the system of inequalities.2x - y ? 6x + 4y ? -12
A. 
B. 
C. 
D. 
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Multiply.
2
A. 81z2 + 2z
B. 81z2 + 2z + 
C. 
z2 - 2z + 81
D. 81z2 - 
z - 
Mathematics