ANSWER
The vertex is (1,-3)
EXPLANATION
The given parabola has equation:
We group the variables to obtain:
We complete the square to get,
The vertex is of the parabola is (1,-3)
Answer:
(-1,-3)
Step-by-step explanation:
1) y= 3x + 7
2) y= 3/4x + 10
3) y= -5x - 2
4) y= 12x - 6
5) y= 1/2 + 9
28
el interes es 50