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Harman [31]
3 years ago
12

Determine an equation for the right bisector of the line segment with endpoints J(-5,3) and K(3,-2)

Mathematics
1 answer:
Norma-Jean [14]3 years ago
7 0

Answer:

y=1.6x+2.1

Step-by-step explanation:

we know that

The right bisector of the line segment JK is a perpendicular line to the segment JK that pass through the midpoint of segment JK

step 1

Find the midpoint JK

The formula to calculate the midpoint between two points is equal to

M(\frac{x1+x2}{2},\frac{y1+y2}{2})

we have

J(-5,3),K(3,-2)

substitute the values

M(\frac{-5+3}{2},\frac{3-2}{2})

M(\frac{-2}{2},\frac{1}{2})

M(-1,\frac{1}{2})

step 2

Find the slope JK

The formula to calculate the slope between two points is equal to

m=\frac{y2-y1}{x2-x1}

we have

J(-5,3),K(3,-2)

substitute

m=\frac{-2-3}{3+5}

m=\frac{-5}{8}

m=-\frac{5}{8}

step 3

Find the slope of the line perpendicular to the segment JK

we know that

If two lines are perpendicular, then their slopes are opposite reciprocal (the product of the slopes is equal to -1)

m_1*m_2=-1

we have

m_1=-\frac{5}{8}  ----> slope of segment JK

Find m_2

substitute

(-\frac{5}{8})*m_2=-1

m_2=\frac{8}{5}

step 4

Find the equation for the right bisector of the line segment JK

The equation in point slope form is equal to

y-y1=m(x-x1)

we have

m=\frac{8}{5}

point\ M(-1,\frac{1}{2})

substitute

y-\frac{1}{2}=\frac{8}{5}(x+1)

Convert to slope intercept form

isolate the variable y

y-\frac{1}{2}=\frac{8}{5}x+\frac{8}{5}

y=\frac{8}{5}x+\frac{8}{5}+\frac{1}{2}

y=\frac{8}{5}x+\frac{21}{10}

y=1.6x+2.1

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fgiga [73]
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6 0
3 years ago
Please tell me the steps to this problem. i will give brainliest
gayaneshka [121]

Option C: -3 is the average rate of change between x=-1 and x=1

Explanation:

The formula to determine the average rate of change is given by

Average rate of change = \frac{y_2-y_1}{x_2-x_1}

We need to find the average rate of change between x=-1 and x=1

Thus, from the table, we have,

x_1=-1 , y_1=5

x_2=1 , y_2=-1

Thus, substituting these values in the formula, we get,

Average rate of change = \frac{-1-5}{1+1}

                                        =\frac{-6}{2}

                                        =-3

Thus, the average rate of change between x=-1 and x=1 is -3.

Hence, Option C is the correct answer.

6 0
3 years ago
I need help with this answer?
Bumek [7]

Answer:

dont u have the answer

Step-by-step explanation:

7 0
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Can somebody plz help me [-5+(-7)]^2-(7+3)^2
Firdavs [7]

Answer:

\boxed{44}

Step-by-step explanation:

[-5+(-7)]^2-(7+3)^2

Resolving Parenthesis

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