Question

Por favor me ajudem na Q14
Valendo 30 PTS
Obs: botem o calculo

Answer 1

   3x + 2y = 1        mmc =  15
    5     15    3
 
    9y + 6y = 5

a) (1,-2) ==> 9(1) + 6(-2) = 5 ==> 9-12 = 5 ==> - 3 = 5   F

b) (0,2/5)==> 9(0) + 6(2/5) = 5 ==> 0+12/5 = 5 ==> 12/5 = 5   F

c) (7,-2)==> 9(7) + 6(-2) = 5 ==> 63-12 = 5 ==> 51 = 5   F

d) (2, -6)==> 9(2) + 6(-6) = 5 ==>18-36 = 5 ==> -18 = 5   F

e) ( -1,7)==> 9(-1) + 6(7) = 5 ==> -9+42 = 5 ==> 33 = 5   F

f) ( 1/3,1)==> 9(1/3) + 6(1) = 5 ==> 3+6 = 5 ==>9 = 5   F

g) ( 5, - 20) ==> 9(5) + 6(-20) = 5 ==>45-120 = 5 ==> -75 = 5   F

h) (5/9,0)==> 9(5/9) + 6(0) = 5 ==>5+0 = 5 ==> 5 = 5  V

Answer 2

3X/5 + 2Y /15 =1/3    MMC =15
9X + 2Y = 5
Substituindo os valores:
A) (9 × 1) +(2 × -2) = 9 -4 = 5 V
B) 9 ×-1  + 2×7 = -9 + 14 = 5 V
C) 9 ×0  + 2× 2/5 = 0 + 4/5 = 4/5 F
D) 9 × 5/9  + 2 × 0 = 45/9 + 0 =45/9 = 5 V
E) 9 ×7 + 2× -2 = 63 -4 =59 F
F)9 ×1/3 + 2× 1 =9/3 + 2 = 3 + 2= 5 V
G) 9 ×2  + 2 ×- 6= 18 -12= 6 F
H) 9 ×5 + 2× -20 = 45 -40 =5 V