Simplify. Write your answer in the form a + bi, where a and b are real numbers.Let z = -5i and w = -8 + 6i. Find wz.
A. -30 - 40i
B. 30 + 40i
C. 30 - 40i
D. 40i - 30i2
Answer: B
Mathematics
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Perform the division. Write the answer with positive exponents.
A. -3x3 - 2x2 + 6 - 
B. 3x3 + 4x2 - 6
C. 3x3 + 2x2 - 6 + 
D. 3x3 + 2x2 - 6
Mathematics
Determine whether the equation has no solution, one solution, or infinitely many solutions.16k - 60 = 4(4k - 16)
A. One solution B. No solutions C. Infinitely many solutions
Mathematics
Use synthetic division to find the quotient and remainder.(x3 - 1) ÷ (x - 1)
A. x3 + x2 + x + 1
B. x2 + x + 1 + 
C. x2 + x + 1
D. x3 + x2 + x + 1 + 
Mathematics
Find the average rate of change of the function between the given points
f(x) = 2x² + x ; x = 0, x = 2
Mathematics