Perform the operation and write the result in the standard form.(-6 + 4i)2
A. 52 + 48i
B. 52 - 48i
C. 20 + 48i
D. 20 - 48i
Answer: D
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Write a system of three inequalities that describe the constraints in the problem.Mrs. White wants to crochet beach hats and baby afghans for a church fund-raising bazaar. She needs 5 hours to make a hat and 2 hours to make an afghan and she has 31 hours available. She wants to make no more than 11 items and no more than 9 afghans. The bazaar will sell the hats for $11 each and the afghans for $5 each. Let x equal the number of hats made and y equal the number of afghans made.
A. 2x + 5y ? 31, x + y ? 11, y ? 9 B. 5x + 2y ? 31, x + y ? 11, y ? 9 C. 11y + 5x ? 31, x + y ? 11, y ? 9 D. 11x + 5y ? 31, x + y ? 11, y ? 9
Write the equation in slope-intercept form.7x + 5y = 4
A. y = 
x + 
B. y = 
x + 
C. y = 7x + 11
D. y = 
x - 
Find the vertical asymptotes, if any, of the graph of the rational function.f(x) = 
A. x = 7, x = 6 B. x = 7, x = 6, x = - 81 C. x = - 81 D. x = -7, x = -6
Use intercepts to graph the equation.6x - 18y = 36
A. (0, 2); (6, 0)
B. (0, 2); (-6, 0)
C. (0, -2); (6, 0)
D. (0, -2); (-6, 0)