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Rational Expressions – Restrictions When working with rational expressions, we must remember that it is not possible to divide by zero. So we will identify / define values that are NON-PERMISSIBLE. Steps : 1. Factor completely ( if needed ) 2. Set your denominator = 0 and solve for your variable

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Rational Expressions – Restrictions When working with rational expressions, we must remember that it is not possible to divide by zero. So we will identify / define values that are NON-PERMISSIBLE. Example : Find the non-permissible replacement for x : Steps : 1. Factor completely ( if needed ) 2. Set your denominator = 0 and solve for your variable

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Rational Expressions – Restrictions When working with rational expressions, we must remember that it is not possible to divide by zero. So we will identify / define values that are NON-PERMISSIBLE. Example : Find the non-permissible replacement for x : Steps : 1. Factor completely ( if needed ) 2. Set your denominator = 0 and solve for your variable No factoring needed so set denominator = 0 and solve.

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Rational Expressions – Restrictions When working with rational expressions, we must remember that it is not possible to divide by zero. So we will identify / define values that are NON-PERMISSIBLE. Example : Find the non-permissible replacement for x : Steps : 1. Factor completely ( if needed ) 2. Set your denominator = 0 and solve for your variable No factoring needed so set denominator = 0 and solve. Answer

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Rational Expressions – Restrictions When working with rational expressions, we must remember that it is not possible to divide by zero. So we will identify / define values that are NON-PERMISSIBLE. Example : Find the non-permissible replacement for m : Steps : 1. Factor completely ( if needed ) 2. Set your denominator = 0 and solve for your variable

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Rational Expressions – Restrictions When working with rational expressions, we must remember that it is not possible to divide by zero. So we will identify / define values that are NON-PERMISSIBLE. Example : Find the non-permissible replacement for m : Steps : 1. Factor completely ( if needed ) 2. Set your denominator = 0 and solve for your variable No factoring needed so set denominator = 0 and solve.

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Rational Expressions – Restrictions When working with rational expressions, we must remember that it is not possible to divide by zero. So we will identify / define values that are NON-PERMISSIBLE. Example : Find the non-permissible replacement for m : Steps : 1. Factor completely ( if needed ) 2. Set your denominator = 0 and solve for your variable No factoring needed so set denominator = 0 and solve. Answer

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Rational Expressions – Restrictions When working with rational expressions, we must remember that it is not possible to divide by zero. So we will identify / define values that are NON-PERMISSIBLE. Example : Find the non-permissible replacement for a : Steps : 1. Factor completely ( if needed ) 2. Set your denominator = 0 and solve for your variable

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Rational Expressions – Restrictions When working with rational expressions, we must remember that it is not possible to divide by zero. So we will identify / define values that are NON-PERMISSIBLE. Example : Find the non-permissible replacement for a : Steps : 1. Factor completely ( if needed ) 2. Set your denominator = 0 and solve for your variable No factoring needed so set denominator = 0 and solve. There is a short cut for denominators like The answer is

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Rational Expressions – Restrictions When working with rational expressions, we must remember that it is not possible to divide by zero. So we will identify / define values that are NON-PERMISSIBLE. Example : Find the non-permissible replacement for a : Steps : 1. Factor completely ( if needed ) 2. Set your denominator = 0 and solve for your variable In this case c = 2 and d = 9 There is a short cut for denominators like The answer is

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Rational Expressions – Restrictions When working with rational expressions, we must remember that it is not possible to divide by zero. So we will identify / define values that are NON-PERMISSIBLE. Example : Find the non-permissible replacement for a : Steps : 1. Factor completely ( if needed ) 2. Set your denominator = 0 and solve for your variable In this case c = 2 and d = 9 There is a short cut for denominators like The answer is Answer

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Rational Expressions – Restrictions When working with rational expressions, we must remember that it is not possible to divide by zero. So we will identify / define values that are NON-PERMISSIBLE. Example : Find the non-permissible replacement for x : Steps : 1. Factor completely ( if needed ) 2. Set your denominator = 0 and solve for your variable

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Rational Expressions – Restrictions When working with rational expressions, we must remember that it is not possible to divide by zero. So we will identify / define values that are NON-PERMISSIBLE. Example : Find the non-permissible replacement for x : Steps : 1. Factor completely ( if needed ) 2. Set your denominator = 0 and solve for your variable Factored denominator

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Rational Expressions – Restrictions When working with rational expressions, we must remember that it is not possible to divide by zero. So we will identify / define values that are NON-PERMISSIBLE. Example : Find the non-permissible replacement for x : Steps : 1. Factor completely ( if needed ) 2. Set your denominator = 0 and solve for your variable Set each expression = 0 and solve…

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Rational Expressions – Restrictions When working with rational expressions, we must remember that it is not possible to divide by zero. So we will identify / define values that are NON-PERMISSIBLE. Example : Find the non-permissible replacement for y : Steps : 1. Factor completely ( if needed ) 2. Set your denominator = 0 and solve for your variable

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Rational Expressions – Restrictions When working with rational expressions, we must remember that it is not possible to divide by zero. So we will identify / define values that are NON-PERMISSIBLE. Example : Find the non-permissible replacement for y : Steps : 1. Factor completely ( if needed ) 2. Set your denominator = 0 and solve for your variable Factored denominator

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Rational Expressions – Restrictions When working with rational expressions, we must remember that it is not possible to divide by zero. So we will identify / define values that are NON-PERMISSIBLE. Example : Find the non-permissible replacement for y : Steps : 1. Factor completely ( if needed ) 2. Set your denominator = 0 and solve for your variable

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