The first one is y=6(x-2)^2+4 and the second one is y=-3/2(x+6)^2+4
Hello there! The x-intercept is 6.
The x-intercept is when the y value id equal to zero, and the line crosses the x axis. In this example, you can see that the line passes through x at the value of 6, making that your answer.
I hope this was helpful and have a great rest of your day!