rational expression is undefined
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1. List all numbers for which the rational expression is undefined
4/b+7
2. A line from the top of a cliff to the ground passes just over the top of a pole 8.0 ft high and meets the ground at a point 9.0 ft from the base of the pole. If the point is 65 ft from the base of the cliff, how high is the cliff? Round to the nearest unit.
3. Multiply and, if possible, simplify.
6z^2/3 - 4/z^4
4. Divide and if possible, simplify
6x^3/2y^2 / 4x^7/5y^4
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Solution Summary
Contextualize if the rational expression is undefined.
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1)
The expression is undefined when b=-7 because the denominator becomes zero.
2)
You can use ratio and ...
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