Answer:
3) 
4) a) 
b) 
Step-by-step explanation:
<u>Exercise 3</u>



<u>Exercise 4</u>
a) If L2 is parallel to L1, it has the same slope (gradient) ⇒ 
If L2 passes through point (3, 1):



So L2 = L1
b) If L3 is perpendicular to L1, then the slope of L3 is the negative reciprocals of the slope of L1 ⇒ 
If L3 passes through point (-5, 2):



Answer:
Its -15 (B.)
Step-by-step explanation:
Just took the test and trying to help you out love.
Answer:
93
Step-by-step explanation:
Step-by-step explanation:
(3×6) + (2×6)
= 18 + 12
= 30 in²