Mathematics

9th

grade

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จัดสมการในรูป Ax+By+C=0

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  • 1. Multiple Choice
    30 seconds
    1 pt

    2x + y = 12 จัดสมการได้เป็น

    2x - y - 12 = 0

    2x + y + 12 = 0

    2x + y - 12 = 0

    2x - y + 12 = 0

  • 2. Multiple Choice
    30 seconds
    1 pt

    จากสมการ y - x = 5 ข้อใดถูก

    A = 1

    B = -1

    C = 5

    C = -5

  • 3. Multiple Choice
    30 seconds
    1 pt

    x + 5y + 15 = 0 ข้อใดถูก

    A = 1

    A = 0

    B = -5

    C = -15

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