For each inequality, show it on the number line and write all one-digit integers that satisfy it a_<0

For each inequality, show it on the number line and write all one-digit integers that satisfy it a_<0

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answer

d. 10

explanation

the distance from point y to wx is the height of the triangle.

using pythagoras theorem,

group similar terms to get,

this implies that,

take positive square root of both sides to get,

this implies that,