glane4907
06.11.2019 •
Mathematics
Write an equation for the line that is parallel to the given line and passes through the given point
y= 2x + 4; (3,8)
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Ответ:
y = 2x + 2
Step-by-step explanation:
The equation ofa line in slope- intercept form is
y = mx + c ( m is the slope and c the y- intercept )
y = 2x + 4 ← is in slope- intercept form
with m = 2
Parallel lines have equal slopes , thus
y = 2x + c ← is the partial equation
To find c substitute (3, 8) into the partial equation
8 = 6 + c ⇒ c = 8 - 6 = 2
y = 2x + 2 ← equation of parallel line
Ответ:
y=-x+1
Step-by-step explanation: