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nikitadnepr [17]
2 years ago
8

Write the point-slope form of the equation of the line that passes through the points (-8, 2) and (1, -4). Include your work in

your final answer.

Mathematics
2 answers:
Tatiana [17]2 years ago
3 0
Slope = (2+4)(-8 -1) = 6/-9 = - 2/3

<span>point-slope form of the equation
</span>
y - 2 = -2/3(x + 8)

ipn [44]2 years ago
3 0
Here's my work
Hope this helps

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What is equivalent to 0 = 2x2 - 16x – 18 when completing the<br> square?
algol13

Answer:

x = 1

x = -9

Step-by-step explanation:

(2x2 +  16x) -  18  = 0

2x2 + 16x - 18  =   2 • (x2 + 8x - 9)

x2 + 8x - 9

 -9    +    1    =    -8

     -3    +    3    =    0

     -1    +    9    =    8

 2 • (x + 9) • (x - 1)  = 0

2   =  0

x+9 = 0  

x = -9

x-1 = 0

x = 1

x2 + 8x - 9  = 0

  x2+8x = 9

(x+4) • (x+4)  =

 (x+4)2

x2+8x+16 = 25 and

  x2+8x+16 = (x+4)2

(x+4)2 = 25

x = -4 + √ 25

 x2 + 8x - 9 = 0

has two solutions:

 x = -4 + √ 25

  or

 x = -4 - √ 25

           

           - B  ±  √ B2-4AC

 x =   ————————

                     2A

A   =     1

                     B   =    8

                     C   =   -9

B2  -  4AC   =

                    64 - (-36) =

                    100

 -8 ± √ 100

  x  =    —————

                   2

  x  =  ( -8 ± 10) / 2

x =(-8+√100)/2=-4+5= 1.000

or:

x =(-8-√100)/2=-4-5= -9.000

Answer:  x = 1

x = -9

6 0
3 years ago
Which graph represents the function h(x) = 1x1 + 0.5?
slamgirl [31]

Answer:Top right

Step-by-step explanation:

Because they are all the same V shape, we look to the slope for the answer.

Because the Y-intercept in this equation is 0.5, we look for the graph in which it is centered and at 0.5

That would be the top right.

6 0
2 years ago
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A snack bar sells two sizes of snack packs. A large snack pack costs 5 dollars. A small snack pack costs 3 dollars. In one day t
il63 [147K]
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What is the value of x?
Tom [10]

Answer:

x=21

Step-by-step explanation:

100+3x+x-4=180

100+4x-4=180

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4x=180-96

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2 years ago
Had 6 bagels and ate all but 4 of them. how many bagels were​ left?
Basile [38]
You will have 2 bagels left
3 0
3 years ago
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