How do you graph the line through point (-2,-3) and slope is undefined?
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Types Of Slopes Of A Line
Undefined
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Laurel County Adult Education and Literacy - The square root of negative numbers is also classified as UNDEFINED on the GED math test. In the set of real numbers, no number exists
Null and Undefined in Javascript. What's the difference between null and…, by Megan Lo, Webtips
Null vs. Undefined in JavaScript
Difference between non-zero value, 0, null & undefined in Javascript