Write the expression in the form a + bi, where a and b are real numbers.10 + 
A. 10 + 4i
B. 6
C. 10 + i
D. 10 - 4i
Answer: A
Mathematics
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Find the product.(a + 4b)2
A. a2 + 16b2 B. 2a + 8b C. a2 + 16ab + 16b2 D. a2 + 8ab + 16b2
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Find the limit.
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Write the slope-intercept form of the equation for the line passing through the given pair of points.(8, -3) and (-8, -3)
A. y = -3 B. 8x - 8y = 0 C. -8x + 8y = 0 D. x = 8
Mathematics
Simplify the expression. Assume that all variables are positive.
? 
A. 2x4
B. 2x8
C. 4x4
D. 2
Mathematics