Question

5x+7y=79 and 7x+5y=77 Which type of line

Answer 1

Answer:

Intersecting Lines

Step-by-step explanation:

$\frac{a1}{a2} \neq \frac{b1}{b2}$

So,

$\frac{5}{7} \neq \frac{7}{5}$

Hence the lines will be intersecting.

U can refer Class 10 NCERT for more understanding.

Answer 2

Answer:

perpendicular

Step-by-step explanation:

1. because the equation is in the form of
2. $m1 \times m2 = - 1$