Year 12s: what will be the first way you research your future options? >>

Can someone help me on this perpendicular lines question please

The fact that this question is one mark makes me think i'm overlooking something obvious, but I really am stuck here lol

Reply 1

mqb2766

Original post by GogetaORvegito?

The fact that this question is one mark makes me think i'm overlooking something obvious, but I really am stuck here lol

What is the y value when it crosses the x axis?
Sub that in l1 and solve for x.
1 mark is about right.

(edited 3 years ago)

Reply 2

GogetaORvegito?

Original post by mqb2766

What is the y value when it crosses the x axis?
Sub that in l1 and solve for x.
1 mark is about right.

Damn I even found out that y should be zero, but I thought I needed to do more things because of the question mentioning perpendicular lines. Thanks for being my third eye man

Reply 3

davros

Original post by GogetaORvegito?

Damn I even found out that y should be zero, but I thought I needed to do more things because of the question mentioning perpendicular lines. Thanks for being my third eye man