math
posted by Norma .
Can anyone help me with dq i week 2Post your response to the following: How do you know if a value is a solution for an inequality? How is this different from determining if a value is a solution to an equation?
If you replace the equal sign of an equation with an inequality sign, is there ever a time when the same value will be a solution to both the equation and the inequality?
Write an inequality and provide a value that may or may not be a solution to the inequality. I don't understand it Thank you in advance.

Inequalities are solved the same way as equations, except that the carat (<) is reversed when multiplying both sides by a negative number.
4x > 8
x < 2
I hope this helps. 
Y > X 2. Write and graph Eq of boundry
line: Y = X 2, (0, 2), (2, 0), (4 ,2)
The Eq of the boundary line always uses an equal sign. However,since there is no = sign in your original in
equality,the graph should be a dotted line. The points on the dotted line
should not satisfy the inequality:
Y > X  2
2 > 0 2
2 > 2, This is not a true statement.
Therefore, the point does not satisfy the inequality and not a solution.
Let's test a point above the line:(0,0).
Y > X  2
0 > 0  2
0 > 2, This is a true statement and
a solution. If 1 point above the line
is a solution, then all points above
the line are solutions. None of the
points below the line are solutions;
and , therefore, do not satisfy the
inequality. TEST A FEW!
If your inequality contained an =
sign(X  Y >= 2), your boundary
line would be a solid line, and all
points on it would satisfy the in
equality.
An equation states that the
quanity on the left is equal to the
quantity on the right. So if I replace
the equal sign with an inequality sign, it becomes an untrue statement;
because it is still an equation.
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