Math

QuestionFind the line equation through (8,1)(8,1) parallel to y=14x3y=-\frac{1}{4} x-3. Options: A, B, C, D, E.

Studdy Solution

STEP 1

Assumptions1. The line we are looking for is parallel to the line y=14x3y=-\frac{1}{4} x-3 . The line we are looking for passes through the point (8,1)(8,1)3. Parallel lines have the same slope

STEP 2

First, we need to find the slope of the given line. The slope of a line in the form y=mx+by=mx+b is mm.
lope=14lope = -\frac{1}{4}

STEP 3

Since the line we are looking for is parallel to the given line, it has the same slope.
lopenew=1lope_{new} = -\frac{1}{}

STEP 4

The equation of a line is given by y=mx+by=mx+b, where mm is the slope and bb is the y-intercept. We know the slope, and we can find bb by plugging in the coordinates of the given point into the equation.
1=148+b1 = -\frac{1}{4} \cdot8 + b

STEP 5

olve for bb.
b=1+2=3b =1 +2 =3

STEP 6

Now that we have the slope and the y-intercept, we can write the equation of the line.
y=14x+3y = -\frac{1}{4} x +3The equation of the line that crosses the point (8,1)(8,1) and is parallel to the line y=14x3y=-\frac{1}{4} x-3 is y=14x+3y=-\frac{1}{4} x+3.

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