Write the expression in the standard form a + bi.(2 + 6i)(2 - 6i)
A. 4 - 36i
B. 4 - 36i2
C. -32
D. 40
Answer: D
Mathematics
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Write an expression for the general or nth term, an, of the arithmetic sequence.3, 7, 11, 15, . . .
A. an = 4n - 1 B. an = 4n + 3 C. an = 4(n+1) + 3 D. an = 3n + 3
Mathematics
Classify the angle as acute, right, obtuse, or straight.
A. Obtuse B. Acute C. Straight D. Right
Mathematics
Use the commutative property of addition to write an equivalent algebraic expression.x + 5
A. 5 + x B. x5 C. x + 5 D. 5x
Mathematics
Find the area of the trapezoid.
A. A = 55 in.2 B. A = 27.5 in.2 C. A = 16 in.2 D. A = 22.5 in.2
Mathematics