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Montano1993 [528]
2 years ago
14

Write an equation of the line that passes through a pair of points:

Mathematics
1 answer:
vredina [299]2 years ago
3 0

Answer:

b)

The  equation of the line that passes through a pair of points

   y  = \frac{-1}{8}  ( x ) -\frac{11}{8}

Step-by-step explanation:

 Explanation:-

Given points are ( 5 ,-2) and ( 3,-1)

slope of the line

                        m = \frac{y_{2} -y_{1} }{x_{2}-x_{1}  } = \frac{-1-(-2)}{-3-(5)} = \frac{1}{-8}

The  equation of the line that passes through a pair of points

              y - y_{1} = m ( x - x_{1} )

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

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

        y  = \frac{-1}{8}  ( x ) +\frac{5-16}{8}

      y  = \frac{-1}{8}  ( x ) -\frac{11}{8}

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Factor to solve <br> X^2-2x-15=0
zzz [600]

Answer:

(x+3)(x-5)

Step-by-step explanation:

find two multiples of -15 that when added together create -2

those two numbers would be -5 and +3

-5x3=-15

-5+3=-2

4 0
2 years ago
Which number is irrational?<br> А) (1.5)2<br> B) root of 41<br> C root of 49<br> D (15)2
Umnica [9.8K]

Answer:

B

Step-by-step explanation:

A. (1.5)2 = 3 which is rational.

B. Root of 41 cannot be expressed as a fraction of p/q, where p and q are integers and q not equal to 0.

C. Root of 49 = 7 which is rational.

D. 15(2) = 30 which is rational

5 0
2 years ago
Seven less than twice a certain number n
marshall27 [118]
 i believe this is the answer n(2)-7<span />
7 0
3 years ago
Read 2 more answers
Solve
Strike441 [17]

Answer:

x=±\sqrt{15/2}

Step-by-step explanation:

8 0
3 years ago
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I need help I don’t know how that’s not right.
Leviafan [203]

Answer: v=-81.92

Step-by-step explanation:

\displaystyle\\7+\frac{v}{8} =-3.24\\\\7+\frac{v}{8}-7 =-3.24-7\\\\\frac{v}{8} =-10.24\\\\\frac{v}{8} =-10.24

Multiply both parts of the equation by 8:

\displaystyle\\(\frac{v}{8})(8)=(-10.24)(8) \\\\v=-81.92

6 0
10 months ago
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