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Colt1911 [192]
3 years ago
5

On a coordinate grid, both point (−4, −1) and (2, 6) point are reflected across the y-axis. What are the coordinates of the refl

ected points?
(4, 1) and (−2, −6)
(−4, 1) and (−2, 6)
(−4, 1) and (2, −6)
(4, −1) and (−2, 6)
Mathematics
1 answer:
Reptile [31]3 years ago
4 0

Answer:

Step-by-step explanation:

So first, we know (-x,-y) reflected across y axis is (x,-y). and (x,y) reflected across y axis is (-x, y). So we can apply this to get (-4,-1) to (4,-1). (2,6) to (-2,6).

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A line with a slope of 8 passes through the points (-1,1) and (0,k). What is the value of k?
Diano4ka-milaya [45]

Answer:

k = 9

Step-by-step explanation:

Calculate the slope m using the slope formula and equate to 8

m = \frac{y_{2}-y_{1}  }{x_{2}-x_{1}  }

with (x₁, y₁ ) = (- 1, 1) and (x₂, y₂ ) = (0, k)

m = \frac{k-1}{0+1} = k - 1 = 8 ( add 1 to both sides )

k = 9

3 0
3 years ago
Can some help me with this question
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3 years ago
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tia_tia [17]
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Step-by-step explanation:

:)

:)

:)

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