Write the system of equations associated with the augmented matrix. Do not solve.
A. 
B. 
C. 
D. 
Answer: D
Mathematics
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Perform the indicated operation. Write the result in the form a + bi.(7 - 7i) + (5 + 9i)
A. -12 - 2i B. 12 + 2i C. 2 + 16i D. 12 - 2i
Mathematics
Find the slope of the line through the points and interpret the slope. 
A. 
; for every 7-unit increase in x, y will increase by 1 unit
B. -7; for every 1-unit increase in x, y will decrease by 7 units
C. - 
; for every 7-unit increase in x, y will decrease by 1 unit
D. 7; for every 1-unit increase in x, y will increase by 7 units
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Find the product of the sum and difference of two terms.(5b2 + 4)(5b2 - 4)
A. 10b4 - 16 B. 10b4 + 16 C. 25b4 + 16 D. 25b4 - 16
Mathematics
Given y = f(u) and u = g(x), find dy/dx = f'(g(x))g'(x).y = u2, u = 3x - 1
A. 9x - 3 B. 18x - 6 C. 18x D. 6x - 3
Mathematics