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Haleyy_Bugg

  • 2 years ago

Determine the type of boundary line and shading for the graph of the inequality y > 2x + 4 A) Dashed line with shading on the side that includes the origin. B) Solid line with shading on the side that does not include the origin. C) Dashed line with shading on the side that does not include the origin. D) Solid line with shading on the side that includes the origin.

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  1. jim_thompson5910
    • 2 years ago
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    Is there a line under the > sign

  2. Haleyy_Bugg
    • 2 years ago
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    nope

  3. jim_thompson5910
    • 2 years ago
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    so that means you have a dotted or dashed line

  4. jim_thompson5910
    • 2 years ago
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    if you did have a line under the >, then you'd have a solid line

  5. jim_thompson5910
    • 2 years ago
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    now plug in (0,0) and see if the inequality is true or not

  6. Haleyy_Bugg
    • 2 years ago
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    umnmmmm idk how to tell if it is true.

  7. jim_thompson5910
    • 2 years ago
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    start with y > 2x + 4 and plug in x = 0 and y = 0

  8. jim_thompson5910
    • 2 years ago
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    y > 2x + 4 0 > 2(0) + 4 0 > 0 + 4 0 > 4 is that true?

  9. Haleyy_Bugg
    • 2 years ago
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    no! :D

  10. jim_thompson5910
    • 2 years ago
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    so the origin, which is the point (0,0), is NOT in the solution set

  11. Haleyy_Bugg
    • 2 years ago
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    I got it! lol the answers C.

  12. jim_thompson5910
    • 2 years ago
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    correct

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spraguer (Moderator)
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