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In a fractional-reserve banking system,the reserve-deposit ratio is
\(3y\)
An algebraic expression representing thrice the variable y.
\(z\)
Often used to represent a complex number in the form of \(z = a + bi\), where \(a\) and \(b\) are real numbers and \(i\) is the imaginary unit.
Coefficient
A coefficient is a numerical or constant quantity placed before and multiplying the variable in an algebraic expression (e.g., 4 in 4x).
Binomial
A polynomial with exactly two terms.
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