2 years ago

How do i make 5x+2y=4 into the form of y=mx+b

1 answer:

6 0

First you minus 2y on both sides and you get: 5x=-2y+4. Then you minus 4 on both sides to get 5x-4=-2y which in turn is y (-2y) = mx (5x) + b (-4) : -2y=5x-4

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If triangle ABC has vertices A(1, 2), B(-1, -1), and C(0, -2), which of the following coordinates is B’ of the dilation using th

Flura [38]

Answer:

B' = (-4, -4)

Step-by-step explanation:

Dilation: A type of transformation that makes the pre-image larger or smaller without changing its shape.

Center of a dilation: a fixed point about which all points are dilated.

Given:

A = (1, 2)
B = (-1, -1)
C = (0, -2)
Scale factor = 4

For dilation when the center of dilation is the origin (0, 0), simply multiply the coordinates of the vertices of the pre-image by the given scale factor to find the image under dilation:

Therefore:

A' = (1 x 4, 2 x 4) = (4, 8)

B' = (-1 x 4, -1 x 4) = (-4, -4)

C' = (0 x 4, -2 x 4) = (0, -8)