Find all specified roots.Cube roots of 1.
A. 1, - 
+ 
i, - 
- 
i
B. -1, 1
C. 1, 
+ 
i, - 
+ 
i
D. 1, 
- 
i, - 
- 
i
Answer: A
Mathematics
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Solve the equation. First simplify the expression by combining like terms.
x + 1 = 
- 
x + 
A. 
B. 
C. 
D. 
Mathematics
Determine whether the given ordered pair is a solution of the system.(-5, -6)2x + y = -164x + 2y = -32
A. solution B. not a solution
Mathematics
Determine the domain and the range of the function.f(x) = -x2 + 2x
A. domain: all real numbers range: {y|y ? 1} B. domain: all real numbers range: {y|y ? -1} C. domain: {x|x? -1} range: {y|y ? 1} D. domain: {x|x ? 1} range: {y|y ? 1}
Mathematics
Multiply.0.0202 × 5.05
A. 0.1211 B. 0.11201 C. 0.10201 D. 0.1111
Mathematics