Question

If two ordered pairs are related as
$(\frac{a}{4},a-2b)=(0,6+b)$, then $a+b$ is

• A. $2$
• B. $4$
• C. $0$
• D. $-2$

Answer 1

The correct option is D $-2$

$(\frac{a}{4},a-2b)=(0,6+b)\frac{a}{4}=0\Rightarrow a=00-2b=6+b\Rightarrow b=-2$
$\therefore a+b=-2$