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aleksley [76]
3 years ago
6

The given line passes through the points (0,-3) and (2,3). What is the equation, in point-slope form, of the line that is parall

el to the given line and passes through the point (-1,-1)?
Mathematics
2 answers:
AveGali [126]3 years ago
9 0

Answer:

y+1=3(x+1)

Step-by-step explanation:

slope= (3-(-3))/(2-0) = 3

y=3x+b

-1=3(-1)+b

b=-2

y=3x-2

Convert to point slope form:

y+1=3(x+1)

forsale [732]3 years ago
7 0

Answer:

y=3x+2

Step-by-step explanation:

Given : The given line passes through the points (0,-3) and (2,3).

To Find: What is the equation, in point-slope form, of the line that is parallel to the given line and passes through the point (-1,-1)?

Solution:

Points : (0,-3) and (2,3).

To find the equation of given points we will use two point slope form

Formula : y-y_1=m(x-x_1)  --A

Where m is the slope

m = \frac{y_2-y_1}{x_2-x_1}

(x_1,y_1)=(0,-3)

(x_2,y_2)=(2,3)

So, m = \frac{3-(-3)}{2-0}

m = \frac{6}{2}

m = 3

Now substitute the values in A

y+3=3(x-0)  

y+3=3x  

Two lines are said to be parallel when they have same slope

So, The line parallel to the given line will have slope =3

General form of equation of line = y=mx+c

Substitute m = 3

So, parallel line : y=3x+c  ---B

Now this parallel lines passes through point (-1,-1)

So, substitute this point in B

-1=3(-1)+c

-1=-3+c

2=c

Substitute value of c in B

So, Equation of parallel line = y=3x+2

Hence the equation, in point-slope form, of the line that is parallel to the given line and passes through the point (-1,-1) is  y=3x+2

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