### Home > A2C > Chapter 13 > Lesson 13.1.4 > Problem 13-77

13-77.

Write a general equation based on the locator point:

*y* = *a*(*x* + 6)^{3} − 10

Substitute (0, 0) for *x* and *y* and solve for *a*.

(0) = *a*((0) + 6)^{3} − 10

13-77.

Write a general equation based on the locator point:

*y* = *a*(*x* + 6)^{3} − 10

Substitute (0, 0) for *x* and *y* and solve for *a*.

(0) = *a*((0) + 6)^{3} − 10