Warm-UP Algebra - Teacherpage
Warm-UP Algebra - Teacherpage
Warm-UP Algebra - Teacherpage
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<strong>Warm</strong>-<strong>UP</strong>Match the following system of equations with the correct graphì 1 üïy³ x + 1ïí 2 ý1.ïîy< -x- 3ïþ2.ì 1 üïy£ x + 1ïí 2 ýïîy> -x- 3ïþAB<strong>Algebra</strong>Graphing Systems of LinearInequalities Day 2
STEPS: recap1. GRAPH THE FIRST INEQUALITY & SHADE2. GRAPH THE 2 ND INEQUALITY & SHADE3. DARKEN WHERE THE TWO SHADING’SOVERLAP (THIS IS THE SOLUTION)Example 1Black part is the answer.y4xy> -2³ -22x£ 1-4-22 4xy£4-2-4
-4-2Example 2 try on your own!Purple part is the solution.y42-2-42 4xy³ -x-2Test point is (0,0)it works, so that sideof the line is shadedx - 2y< 4- 2y< - x + 4-2-2 -21y > x - 22Test point (0,0) also worksfor this inequality.-4-2Example 3 Try on your own!Purple part is the answer.y42-22 4xxy+ y
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