Evaluate the expression for r = 4. Write your answer in simplest form. r - 5/-r + 7 = ____

Identify Expression: Identify the expression after substituting r = 4 Substitute 4 for r in r - 5/-r + 7. (4 - 5)/(-4 + 7)Substitute and Simplify: Evaluate 4 - 5 4 - 5 = -1 Numerator: -1Evaluate Numerator: Evaluate -4 + 7 -4 + 7 = 3 Denominator: 3Evaluate Denominator: -1/3 The fraction is already in its simplest form. Final expression: -1/3

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Evaluate the expression for $r = 4$ . $\newline$ Write your answer in simplest form. $\newline$ $\frac{r - 5}{-r + 7} =$ __

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Algebra 2

Evaluate rational expressions II

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Q. Evaluate the expression for

r = 4

\newline

Write your answer in simplest form.

\newline

\frac{r - 5}{-r + 7} =

Identify Expression: Identify the expression after substituting $r = 4$ Substitute $4$ for $r$ in $\frac{r - 5}{-r + 7}$ . $\frac{4 - 5}{-4 + 7}$
Substitute and Simplify: Evaluate $4 - 5$ $\newline$ $4 - 5 = -1$ $\newline$ Numerator: $-1$
Evaluate Numerator: Evaluate $-4 + 7$ $-4 + 7 = 3$ Denominator: $3$
Evaluate Denominator: $-\frac{1}{3}$ $\newline$ The fraction is already in its simplest form. $\newline$ Final expression: $-\frac{1}{3}$