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Yes.
asdfghjkldfghjklhjkl
Yes.
If it is joined by an "and" it does. If it is joined by an "or" it does not.
When there is an ordered pair that satisfies both inequalities.
A graph of two simultaneous linear inequalities in two variables that have no intersecting regions must contain two lines with the same slope.
A system of linear inequalities
Yes.
asdfghjkldfghjklhjkl
Yes.
Linear inequalities in one variable
If it is joined by an "and" it does. If it is joined by an "or" it does not.
When there is an ordered pair that satisfies both inequalities.
A linear inequality is all of one side of a plane. A quadratic inequality is either the inside of a parabola or the outside.
yes it is possible for a system of two linear inequalities to have a single point as a solution.
No. For example, the solution to x ≤ 4 and x ≥ 4 is x = 4.
They are not. An inequality cannot, by definition, be the same as an equation.