Gailyvonneyumulidn
Answered

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How to graph a linear inequality in two variables​

Sagot :

CelynBidn

Answer:

A linear inequality is in the form:

ax+by>c or ax + by < c.

Step-by-step explanation:

First, graph the line ax + by - c = 0 by the 2 y-intercepts and x-intercepts.

Then find the area (above or below the line) that make the inequality true. You may use the origin O (0, 0) as test point

Example. Solve: 2x + 3y > -4

First, graph the line 2x + 3y + 4 = 0 by the 2 x and y intercepts.

Make x = 0 -> 3y = -4 -> y = -4/3

Make y = 0 -> 2x = -4 -> x = -2

Solve the inequality: f(x) = 2x + 3y + 4 > 0 by using origin O (0, 0) as test point. We get 4 > 0, It is true, then the area above the line is the solution set.

graph{2x + 3y + 4 = 0 [-10, 10, -5, 5]}

i just research it but hope it helps:)

Veniceyereidn

Answer:

How to Graph a Linear Inequality

1)Rearrange the equation so "y" is on the left and everything else on the right.

2)Plot the "y=" line (make it a solid line for y≤ or y≥, and a dashed line for y< or y>)

3)Shade above the line for a "greater than" (y> or y≥) or below the line for a "less than" (y< or y≤).

Step-by-step explanation:

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