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Q: When graphing a linear inequality the first step is to replace the inequality symbol with what sign?

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john

Well, you can replace the inequality with the equal sign, and draw the line (or curve, depending on the case) for the corresponding equation. The actual inequality will be either to one side or to one side of this line or curve. It may or may not include the actual line or curve.

If the equal sign in a linear equation in two variables is replaced with an inequality symbol, the result is a linear inequality in two variables. 3x-2y>7 x<-5

It is a linear inequality.

Unless it's a fancy graphing calculator, you don't. When solving an inequality, you need to solve it as an equality, remaining mindful of the proper direction of the inequality symbol after each step.

A linear inequalty may be of the form a1x1 + a2x2 + ... + anxn < bwhere the ai and b are constants and the xi are variables. The inequality symbol can be <, >, â‰¤ or â‰¥.

If you want that as an inequality, you write:x <= -10 You can replace "<=" with the corresponding inequality symbol (less than or equal).

if you have y <= f(x), then graph the function y = f(x) with a solid line, then shade everything below that graph.

The inequality symbol.

the divide symbol ---> :

No you do not.

When your teacher comes and your not sure what the answer is.

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