X must be increased by 6 to get its value to be 0. Then the corresponding change in y will be (-2/3)*6 = -4. That value added to -5 makes it -9.
The y-intercept will be -9.
It is the first one because you can use the vertical line test to see that it doesn’t hit more than one point per x-value
Answer:
2x²-2x+5y doing the math reply if you need explanations