Answer:
y = 7x + 1
Explanation:
the equation of a line in slope- intercept form is
y = mx + b ( m is the slope and b the y- intercept )
here m = 7 , then
y = 7x + b ← is the partial equation
to find b substitute (1, 8 ) into the partial equation
8 = 7(1) + b = 7 + b ( subtract 7 from both sides )
1 = b
y = 7x + 1 ← equation of line