Answer:
y = - 7x + 17
Step-by-step explanation:
The equation of a line in slope- intercept form is
y = mx + c ( m is the slope and c the y- intercept )
y = - 7x - 9 ← is in slope- intercept form
with slope m = - 7
Parallel lines have equal slopes, thus
y = - 7x + c ← is the partial equation
To find c substitute (1, 10) into the partial equation
10 = - 7 + c ⇒ c = 10 + 7 = 17
y = - 7x + 17 ← equation of parallel line
