+0  
 
0
125
1
avatar

The vertex of a parabola is at (12,-4) and its axis of symmetry is vertical. One of the x-intercepts is at \((18,0)\). What is the x-coordinate of the other x-intercept?

 Jan 25, 2022
 #1
avatar+2437 
0

12 + 6 = 18

12 - 6 = 6


The x-coordinate of the other x-intercept is \(\color{red} 6\) by symmetry

 Jan 25, 2022

23 Online Users