Add or subtract as indicated.
-$\sqrt { 13 } - 4 \sqrt { 13 }$
A) $- 3 \sqrt { 13 }$
B) $4 \sqrt { 13 }$
C) $- 3 \sqrt { 26 }$
D) $3 \sqrt { 13 }$

Question

Quizplus · Accepted Answer

This is a simple subtraction problem involving like terms. Both terms have the same radical part, $\sqrt{13}$, so you can combine them just like you would with algebraic terms. $\sqrt{13} - 4\sqrt{13} = -3\sqrt{13}$.

Add or Subtract as Indicated 13−413\sqrt { 13 } - 4 \sqrt { 13 }13​−413​

Add or Subtract as Indicated $\sqrt { 13 } - 4 \sqrt { 13 }$