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hjlf
3 years ago
8

Part 1: Create an equation of a line in point-slope form. Be sure to identify all parts of the equation before writing the equat

ion.
Part 2: Using the equation of the line you wrote in part 1, write an equation of a line that is perpendicular to this line.
Mathematics
2 answers:
mixer [17]3 years ago
5 0

Covers the 'point-slope' form of linear equations, including how to find a line ... For this one, they give you a point (x1, y1) and a slope m, and have you plug it into this ... You can use the Mat way widget below to practice finding a line equation .... Find the equation of the line that passes through the points (–2, 4) and (1, 2)

harina [27]3 years ago
5 0
<h2>Answer with explanation:</h2>

<u>Part--1:</u>

We know that a equation in point-slope form is represented by:

               y-y_1=m(x-x_1)

where m is the slope of the line and (x_,y_1) is a point through which the line passes.  

  Consider a equation in a point-slope form as:

           y-5=2(x-1)

This means that the slope of the line is: 5

and the line  passes through the point (1,5).

<u>Part--2:</u>

Now as we know that if a line has a slope as m then the perpendicular line has a slope: -1/m

Since,

m\times \text{Slope\ of\ second\ line}=-1\\\\i.e.\\\\\text{Slope\ of\ second\ line}=\dfrac{-1}{m}

Let this perpendicular line passes through (2,6)

Hence, the equation of a line in point slope form is given by:

             y-6=\dfrac{-1}{2}(x-2)

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Can someone explain this step by step please
levacccp [35]

Answer:

2

Step-by-step explanation:

Since x=-2

-2+3y=4

Add 2 on both sides

3y=6

Divide 3 on both sides

y=2

3 0
3 years ago
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Which row of the input/output table is incorrect?
zaharov [31]

Row A:   x = 3

y = 2x - 3

y = 2(3) - 3 = 3      This is correct

Row B: x = 5

y = 2x - 3

y = 2(5) - 3 = 7        This is correct

Row C: x = 7

y = 2x - 3

y = 2(7) - 3 = 11      this is correct

Row D: x = 10

y = 2x - 3

y = 2(10) - 3 = 17  THIS IS INCORRECT, SO ROW D

8 0
3 years ago
6i-5=-17 what does i equal
vagabundo [1.1K]

Answer:

-2

Step-by-step explanation:

6i-5=-17

6i=-17+5

6i=-12

i=-12/6

i=-2

7 0
3 years ago
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When a number is subtracted from 11, the result is 6 more than the number. Find the number.
storchak [24]
Answer: 5

Explanation:
5 0
3 years ago
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Question 14
Reil [10]

Answer:

The system of equations has a one unique solution

Step-by-step explanation:

To quickly determine the number of solutions of a linear system of equations, we need to express each of the equations in slope-intercept form, so we can compare their slopes, and decide:

1) if they intersect at a unique point (when the slopes are different) thus giving a one solution, or

2) if the slopes have the exact  same value giving parallel lines (with no intersections, and the y-intercept is different so there is no solution), or

3) if there is an infinite number of solutions (both lines are exactly the same, that is same slope and same y-intercept)

So we write them in slope -intercept form:

First equation:

6x+y=-1\\y=-6x-1

second equation:

-6x-4y=4\\-6x=4y+4\\-6x-4=4y\\y=-\frac{3}{2} x-1

So we see that their slopes are different (for the first one slope = -6, and for the second one slope= -3/2) and then the lines must intercept in a one unique point. Therefore the system of equations has a one unique solution.

6 0
3 years ago
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