Write the expression in the standard form a + bi.(-4 - 7i)(3 + i)
A. -5 + 17i
B. -5 - 25i
C. -19 + 17i
D. -19 - 25i
Answer: B
Mathematics
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Simplify the complex number to its rectangular form.
2 - j8
A. 27 B. 28 C. 26 D. -26
Mathematics
Factor completely. If unfactorable, indicate that the polynomial is prime.r2 + 2r + 1
A. (r - 1)2 B. (r + 1)2 C. (r - 1)(r + 1) D. (r + 2)(r - 2)
Mathematics
Find the perimeter.The sides of a triangle are 604 feet, 252 feet, and 588 feet.
A. 1444 ft B. 1192 ft C. 1712 ft D. 2888 ft
Mathematics
Convert the radian measure to degrees. Round your answer to two decimal places. 128.1
A. 14,679.19° B. 402.44° C. 4.41° D. 7,339.60°
Mathematics