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Evaluate the expression for $b = 1$ . $\newline$ Write your answer in simplest form. $\newline$ $\frac{b - 9}{b - 10} =$ __

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Evaluate rational expressions II

Full solution

Q. Evaluate the expression for

b = 1

.

\newline

Write your answer in simplest form.

\newline

\frac{b - 9}{b - 10} =

__

Identify Expression: Identify the expression after substituting $b = 1$ $\newline$ Substitute $1$ for $b$ in $\frac{b - 9}{b - 10}$ . $\newline$ $\frac{1 - 9}{1 - 10}$
Substitute and Simplify: Evaluate $1 - 9$ $\newline$ $1 - 9 = -8$ $\newline$ Numerator: $-8$
Evaluate Numerator: Evaluate $1 - 10$ $\newline$ $1 - 10 = -9$ $\newline$ Denominator: $-9$
Evaluate Denominator: $-\frac{8}{-9}$ $\newline$ Rewrite the fraction in simplest form. $\newline$ Since $-8$ and $-9$ are both negative, the negatives cancel out, and we are left with $\frac{8}{9}$ .

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