Determine if the following is a linear equation in one variable. If not, state why not.12x + 27 = 3x + 9
A. It is not a linear equation in one variable because it has more than one variable.
B. It is a linear equation in one variable.
C. It is not a linear equation in one variable because it is nonlinear.
D. It is not a linear equation in one variable because it is not an equation.
Answer: B
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Determine which state is more poorly represented.State A with a population of 383,537 and 11 representatives or state B with a population of 488,138 and 14 representatives.
A. State A B. State B C. The two have equal representation.
Perform the indicated operation.(9x - 5y)(9x + 5y)
A. 81x2 - 25y2 B. 81x2 + 90xy - 25y2 C. 81x2 + 25y2 D. 81x2 - 90xy - 25y2
State whether the function is a polynomial function or not. If it is, give its degree.f(x) = 
- 
x
A. Yes; degree 1 B. Yes; degree 0 C. Yes; degree 2 D. Not a polynomial
Solve the system of equations using substitution.
A. x = 
, y = 3
B. x = 3
, y = 
C. x = 9, y = 
D. x = 
, y = 9