Algebra viii-sinf. I-chorak test. A-variant

Algebra VIII-sinf.I-chorak test.C-variant

1. 
   Quyidagi nuqtalarning qaysilari y=3x+7 funksiya grafigiga tegishli: 1)(0;7);2)(1;11);#) (-1;4); 4) (-2;1) 5) (-3;2); 6) (2;10)?
   

#1 1,2,5 #2 2,4,6 #3 1,3,4 #4 3,4,6 #5 4,5,6

2. 
   y=-2x+b funksiya grafigi M(-1;7) nuqtadan o’tadi.b ni toping. #1 9 #2 5 #3 -5 #4 3 #5 to’g’ri javob yo’q
   
3. 
   y=-9x+5 funksiya grafigida koordinatalari o’zaro teng bo’lgan nuqtani toping. #1 (1/2;1/2) #2 (1/3;1/3) #3 (-3/4;;-3/4) #4 (-1/5;-1/5) #5 (2/3;2/3)
   

1

4. 
   Funksiyalardan qaysinisining grafigi M(1;1), N(
   

3

1) y=2x-1 2) y=-6x+5 3) y=-3x+4 4) y=3x-2?

#1 1 #2 2 #3 2 va 3 #4 1 va 4 #5 3

5. x/3 +y/2 =1

x+3y=0

;3) nuqtalardan o’tadi?

#1 x=3, y=2 #2 x=6, y=-2 #3x=1,5 ,y=1 #4 x=2, y=4/3

6. 
   x;y) sonlar juftligi
   

x _ 2 y