Question

Yg kamu tahu tolong dji jawab ya

Answer 1

30) m PQ = (y2-y1) / (x2-x1)
= (-5-3) / (2 - 1)
= -8 / 1
= -8
mPR = (y2 - y1) / (x2 - x1)
= (-7 - 3) / (3 - 1)
= -10 / 2
= -5
mQR = (y2 - y1) / (x2 - x1)
= (-7 + 5) / (3 - 2)
= -2 / 1
= -2
mQP = (y2 - y1) / (x2 - x1)
= (-5 - 3) / (2 - 1)
= -8 / 1
= -8
yg benar (B)

31) m = (y2 - y1) / (x2 - x1)
= (1 + 1) / (9 - 5)
= 2 / 4
= ½ (D)

32) C

33) A

34) C

35) 6y - 4x - 5 = 0
6y = 4x + 5
y = 4/6 x + 5
y = ⅔ x + 5
m = ⅔ (C)

40) 7 = (5a - 3) / (3 - a)
7 (3 - a) = 5a - 3
21 - 7a = 5a - 3
-7a - 5a = -3 - 21
- 12a = -24
a = 2 (B)

41) 3(5-2x) - 4(y+2) = 0
15 - 6x - 4y - 8 = 0
-4y = 6x - 7
y = -6/4 x + 7/4
y = -3/2 x + 7/4
m = -3/2 (A)