Solve the quadratic inequality. Express your solution on a number line using interval notation.x2 - 8x + 7 ? 0
A. (-?, 1]
B. [1, 7]
C. (-?, 1] ? [7, ?)
D. [7, ?)
Answer: C
Mathematics
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? ~q
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wide, how far is the focus from the vertex?A = 8 mB = 1 m
A. 2 m B. 4 m C. 16 m D. 1 m
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A. -3 B. -1 C. 1 D. 3
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