Write the expression in the standard form a + bi.7i(5 - 3i)
A. 35i + 21i2
B. 35i - 21i2
C. 35i- 21
D. 21+ 35i
Answer: D
Mathematics
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12 inches = 1 ____
A. foot B. yard C. mile D. meter
Mathematics
Find the quadratic approximation of f at x = 0.f(x) = x
A. Q(x) = 100x2 B. Q(x) = 1 - 10x C. Q(x) = 1 + 10x D. Q(x) = 10x
Mathematics
Solve the system to the nearest 0.1 for each variable by using a graphing calculator.2F + 5T = -2-4F + 2T = -2
A. F = 0.4; T = -0.2 B. F = 0.6; T = -0.4 C. F = 0.3; T = -0.5 D. F = 0.2; T = -0.8
Mathematics
Use the rules for exponents to rewrite the expression and then evaluate the new expression. (-2)2(-2)3
A. -64
B. -32
C. 
D. 
Mathematics