Find the product of the given complex number and its conjugate. Write the answer in the form a + bi.
+ 
i
A. 
- 
i
B. 2
C. 1
D. 
+ 
i
Answer: C
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Solve using the substitution method. If the system has an infinite number of solutions, use set-builder notation to write the solution set. If the system has no solution, state this.3x + y = 132x + 9y = -8
A. (-5, -2) B. (5, 2) C. (-5, 2) D. (5, -2)
Draw and shade a part of a diagram to represent the figure.
of a diagram
A. 
B. 
C. 
D. 
Answer the questionHow can the graph of f(x) = 
be obtained from the graph of 
A. By making a horizontal shift of 14 units to the right and stretching vertically by a factor of 6 B. By making a horizontal shift of 6 units to the right and a vertical shift of 14 units down C. By making a horizontal shift of 14 units to the left and a vertical shift of 6 units up D. By making a horizontal shift of 14 units to the left and stretching vertically by a factor of 6
Convert to a polar equation.x = 5
A. r = 5 B. r cos ? = 5 C. cos ? = 5 D. r sin ? = 5