Solving a quadratic and linear pair of simultaneous equations using elimination

12 questions

1. If A and B are simultaneous equations such that A: 2x + 4y = 42 and B: 3x + y = 43 where will coordinate pair (1, 10) go in the Venn diagram?
2. If A and B are simultaneous equations such that A: 4x + 4y = 20 and B: 6x + 2y = 14 where will coordinate pair (1, 4) go in the Venn diagram?
3. If A and B are simultaneous equations such that A: 2y - 2x = 8 and B: 9x + 3y = 12 where will coordinate pair (0, 0) go in the Venn diagram?
4. If A and B are simultaneous equations such that A: 3x + y = 40 and B: 14x + 2y = 176 where will coordinate pair (12, 4) go in the Venn diagram?
5. If A and B are simultaneous equations such that A: 6x + 2y = 26 and B: 7x + 6y = 34 where will coordinate pair (5, -2) go in the Venn diagram?
6. If A and B are simultaneous equations such that A: 6x = 18 - 2y and B: 8x +6y = 14 where will coordinate pair (1, 1) go in the Venn diagram?
7. What is the positive value of x for x^2 + 3x - 4 = 0
8. What is the value of x for 2x^2 + 4x + 2 = 0
9. What is the negative value of x for 2x^2 + 4x - 6 = 0
10. Write the positive coordinate solution for x^2 + 3y = 19 and 3x - 3y = -9
11. Write the positive coordinate solution for x^2 + 2y = 11 and 3x - 2y = 7
12. Which of these is not a solution for simultaneous equations x^2 + 4y = 17 and 2x - 4y = -2?

License: OGL