Question

Please help! I'm not quite understanding this.

Answer 1

Answer:

d.) 21

Explanation:

Rules:

• -|a| = -a

• |-a| = a

• x = |a| then x = ±a

Solve:

$\rightarrow \sf \dfrac{4|a|}{2} + |a-3|$

[insert a = -6]

$\sf\rightarrow \dfrac{4|-6|}{2} + |-6-3|$

[simplify the following]

$\sf\rightarrow \dfrac{4(6)}{2} + 9$

$\sf\rightarrow 12 + 9$

$\sf\rightarrow 21$