Write the expression in the standard form a + bi.If z = 6 - 3i, evaluate z + 
.
A. 12 - 6i
B. -6i
C. 12 + 6i
D. 12
Answer: D
Mathematics
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Solve. Use the principle of square roots.x2+ 10x + 25 = 14
A. -5 + 
, -5 - 
B. 9
C. -
, 
D. 5 + 
, 5 - 
Mathematics
Write a fraction to represent the shaded part of the object.
A. 
B. 
C. 
D. 
Mathematics
Find the intercepts of the function f(x).f(x) = 3x4 - 30x3 + 76x2 - 10x + 25
A. x-intercept: 5; y-intercept: 25 B. x-intercept: -5; y-intercept: 25 C. x-intercepts: none; y-intercept: 25 D. x-intercepts: -5, 5; y-intercept: 25
Mathematics
Convert the improper fraction into a mixed number in lowest terms.
A. 9
B. 10
C. 10
D. 11
Mathematics