Find a quadratic equation with integer coefficients that has the given solution set.
A. 4x2 - 25x - 21 = 0
B. 4x2 + 25x - 21 = 0
C. 4x2 + 32x + 21 = 0
D. x2 - 25x - 21 = 0
Answer: B
Mathematics
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A. -
B.
C. -2
D. 2
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Find the inverse, if it exists, of the given matrix.A =
A.
B.
C.
D.
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Perform the indicated operation. Write the answer without exponents.(7 × 10-4) × (3 × 103) × (3 × 104)
A. 63,000 B. 63 × 10-48 C. 6300 D. 63 × 103
Mathematics
Evaluate the square root.
A.
B. 4
C. 256
D. Not a real number
Mathematics