Solve the quadratic equation by completing the square.x2 + 8x - 11 = 0
A. {-4 - 9, -4 + 9
}
B. {-4 - 3, -4 + 3
}
C. {-8 - 3, -8 + 3
}
D. {4 - 3, 4 + 3
}
Answer: B
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A. Fifty million B. Ten billion C. Three hundred million D. Three billion
Solve the problem.The height of the antenna on top of the building, shown in the figure below, is 73 feet. Estimate the total height of the building and antenna together.
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A. 5 B. 2 C. 4 D. 7
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