Question

Write an equation for the line through (5,7) parallel to 2x-5y=15

Answer 1

A line is parallel to =+
y
=
k
x
+
d
if it is of the form =+
y
=
k
x
+
c
and you have ≠
c
≠
d
.

Ok 2+5=15⟹=−25+3
2
x
+
5
y
=
15
⟹
y
=
−
2
x
5
+
3

So we want −2⋅55+=−1
−
2
⋅
5
5
+
c
=
−
1

this implies =1
c
=
1

Answer 2

I don't know.i don't know