Write the expression in the standard form a + bi.(-8 + 5i)(4 + i)
A. -37 - 28i
B. -37 + 12i
C. -27 + 12i
D. -27 - 28i
Answer: B
Mathematics
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Provide an appropriate response.Use division to express the (Dividend) as (Divisor)(Quotient) + (Remainder).
A. (x - 2)(-6x2 - 10x - 15) - 40 B. (x + 2)(-6x2 + 10x + 25) - 40 C. (x - 2)(-6x2 + 10x + 25) - 40 D. (x - 2)(-6x2 - 10x + 15) - 40
Mathematics
Use common or natural logarithms to solve the exponential equation symbolically.3(x - 1) = 12
A. x = - 
- 1
B. x = 1 + 
C. x = 
+ 1
D. x = 
- 1
Mathematics
Sketch by hand the graph of the function. Give the coordinates for the vertex.y = x2 - 2x + 5
A. vertex: (1, -4)
B. vertex: (-1, 4)
C. vertex: (-1, -4)
D. vertex: (1, 4)
Mathematics
Tell whether the statement is true or false.10 ? {20, 30, 40, 50, 60}
A. True B. False
Mathematics