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jika koordinat (2,-2)
2x - 3y = 10
4 - 3y =10
y = -2
BENAR
jika koordinat (11,4)
22-3y = 10
y= 4
BENAR
jika koordinat (5,0)
10 -3y = 10
y= 0
BENAR
jika koordinat (2,2)
4-3y = 10
y= - 2
SALAH
JAWABAN D
2. ax +5y = 10
koordinat (2,4)
a2 + 20 = 10
2a = -10
a= -5
JAWABAN A.
3. Koordinat (0,0)
3x - y = 0
0 - 0 = 0
JAWABAN C.
4. Koordinat (0,3)
2y + 3y = 5
5y = 5
y= 1
SALAH
3x-2y-9 = 0
0-2y = 9
y= -9/2
SALAH
2y = 8
6 = 8
SALAH
3x -y = -3
-3= -3
BENAR
JAWABAN D.
5. gradien = y2 - y1/ x2 - x 1
gradien = 4/2 = 2
JAWABAN B
6. y = 3x
gradien = 3
JAWABAN A.