For questions 10-11, find the solutions of the system.
9. y=x^2+3x-4
y=2x+2
a.(-3,6) and (2,-4)
b.(-3,-4) and (2,6)
c.(-3,-4) and (-2,-2)
d. no solution

10. y=x^2-2x-2
y=4x+5
a.(-1,1) and (-7,-23)
b.(-1,1) and (7,33)
c.(-1,33) and (7,1)
d.no solution

Question

For questions 10-11, find the solutions of the system.
9. y=x^2+3x-4
    y=2x+2
a.(-3,6) and (2,-4)
b.(-3,-4) and (2,6)
c.(-3,-4) and (-2,-2)
d. no solution

10. y=x^2-2x-2
      y=4x+5
a.(-1,1) and (-7,-23)
b.(-1,1) and (7,33)
c.(-1,33) and (7,1)
d.no solution

anonymous · Answer

put y=2x=2 in first equa. u ll find x^2+x-6=0, solve this equa. nd u ll get x=-3 & 2. put these values in 1 or 2 equa. nd get result.