Can someone help me I don’t understand this

What does independent variable and dependent variable mean in math?

Iam at home. /: i am playing video games. translate the following statement into symbolic form.

Pleting the square f the given find the x-intercepts of the parabola with vertex (-5,13) and y-intercept (0, 12). write your answer in this form: (14,.99). if necessary, round to the nearest hundredth. *- h enter the correct answer, de verter, and ametry 00000 done doo