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WORKBOOK

9) The distance from the point A(2, a) to the line 5x + 12y + a + 3 = 0 is 3 units. Find the sum of
the possible values of a.

10) Find the distance between the lines and , if : 12−5+= : 12−5+=

11) What is the distance between the line 2x – 3y + 2 = 0 and 4x – 6y + 12 = 0

ANSWERS

4 13
1)6 2)2x+3y=6 3)a=-1/2 4)6 5)y=-2x+4 6)-2/3 7)1/3 8)m+n=5 9)-2 10)5/13 11)
13

Reference:

• MEB Mathematics 9
• Koc A. Oktay and others “Mathematics for high school 9”, TED Publications, Ankara
Mathematics 9
• Mathematıcs 9 Volume 2 Mevlüt Peken-İsmail Aydın

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