Factor the trinomial completely.4x2 + 36xy + 81y2
A. (4x + y)(x + 81y)
B. (2x - 9y)2
C. (2x + 9y)2
D. (2x + 9y)(2x - 9y)
Answer: C
Mathematics
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Solve the quadratic equation using the square root property. Express imaginary solutions in a + bi form.(x + 7)2 = -147
A. {7 ± 7i
}
B. {-7 ± 7
}
C. {-7 ± 7
}
D. {-7 ± 7i
}
Mathematics
Solve for the indicated variable.P = S1 +S2 + S3 for S3
A. S3 = S1 + S2 - P B. S3 = P - S1 - S2 C. S3 = S1 + P - S2 D. S3 = P + S1 + S2
Mathematics
Convert as indicated. If necessary, round to the nearest tenth of a degree.200°C to degrees Fahrenheit
A. 129.8°F B. 94.2°F C. 392°F D. 328°F
Mathematics
Simplify.
2/5
A. b7/5 B. b2 C. b1/2 D. b2/25
Mathematics