Find z1z2. Write your answer in standard polar form with the argument in radians.z1 = 
, z2 = 
A. 3
(sin 0 + i cos 0)
B. 3
C. 3
(cos 0 + i sin 0)
D. 3
Answer: C
Mathematics
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Express the sum or difference as a product.sin 
+ sin 
A. 2 cos 7x sin x
B. 2 sin 7x
C. 2 sin 
sin x
D. 2 sin 
cos x
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Use the geometric interpretation of slope (rise divided by run) to find the slope of the line. Then, by identifying the y-intercept from the graph, write the slope-intercept form of the equation of the line.
A. y = x - 5 B. y = - x + 5 C. y = - x - 5 D. y = x + 5
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Use both properties of equality to solve the equation.-v - 15 = -5
A. 20 B. -10 C. 10 D. -20
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Solve the exponential equation. Use a calculator to obtain a decimal approximation, correct to two decimal places, for the solution.46x = 4.8
A. {6.20} B. {0.19} C. {0.22} D. {6.79}
Mathematics