How do you solve this?
MarkFL Super Moderator Staff member Joined Nov 24, 2012 Messages 3,021 Dec 31, 2019 #2 Hello, and welcome to FMH! Using the distance formula, we may state: [MATH]\overline{AB}^2=(6-(-2))^2+(k-1)^2[/MATH] Can you proceed to expand and simplify to get the required quadratic in \(k\)? Then write: [MATH]k^2-2k+65=10^2[/MATH] Can you now solve for \(k\)?
Hello, and welcome to FMH! Using the distance formula, we may state: [MATH]\overline{AB}^2=(6-(-2))^2+(k-1)^2[/MATH] Can you proceed to expand and simplify to get the required quadratic in \(k\)? Then write: [MATH]k^2-2k+65=10^2[/MATH] Can you now solve for \(k\)?