Test 1. Cover-up method for drawing straight lines

 1. If  x + 2y = 4. Find the value of  y  then  x = 0.

 а)  1;      b)  4;     

 c)  2;      d)  3.

 2. If  x + 2y = 4. Find the value of  x  then  y = 0.

 а)  4;      b)  2;     

 c)  3;      d)  1.

 3. If  3x + y = 3. Find the value of  x  then  y = 0.

 а)  4;      b)  3;     

 c)  2;      d)  1.

 4. If  3x + y = 3. Find the value of  y  then  x = 0.

 а)  2;      b)  3;     

 c)  1;      d)  4.

 5. Draw each line below with the cover-up method. You need to find the 2 points fist then draw the axes big enough.

5x + 3y = 15

 6. Draw each line below with the cover-up method. You need to find the 2 points fist then draw the axes big enough.

2x + 5y = 10

 7. Draw each line below with the cover-up method. You need to find the 2 points fist then draw the axes big enough.

9x + y = 18

 8. Draw each line below with the cover-up method. You need to find the 2 points fist then draw the axes big enough.

3x + 4y = 12

 9. Draw each line below with the cover-up method. You need to find the 2 points fist then draw the axes big enough.

x + 5y = 10

10. Draw each line below with the cover-up method. You need to find the 2 points fist then draw the axes big enough.

3x + 2y = 18

11. Draw each line below with the cover-up method. You need to find the 2 points fist then draw the axes big enough.

6x + 5y = 30

12. Draw each line below with the cover-up method. You need to find the 2 points fist then draw the axes big enough.

2x + 7y = 28