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Assoli18 [71]
2 years ago
13

A triangle has vertices A(0, 0), B, (–2, 8), and C(1, 7). What are the coordinates of the triangle after a dilation with a scale

factor of 4?
Mathematics
2 answers:
Elina [12.6K]2 years ago
7 0

Answer:

Basically multiply the x and y coordinates of each point by 1/2

For example, I'll do C which is ( -2 , 10 )

-2 * 1/2 = -1 and 1/2 * 10 = 5

The new coordinate is ( -1 , 5 )

Now you can try the other points

ololo11 [35]2 years ago
5 0

Answer:

Step-by-step explanation:

mutiply x and y component by 4

A(0 , 0) = (4*0 ,,4*0)

A' = (0 , 0)

B(-2 , 8) = (-2*4 , 8*4)

B' = (-8 , 24)

C(1 , 7) = (1*4 , 4*7)

C' = (4 , 28)

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Answer:

Option 2: y = ±sqrt(\frac{x+10}{7})

Step-by-step explanation:

y = 7x^2 - 10

         To find the inverse of a function, you must swap the y and x.

x = 7y^2 - 10

         Now I will just simplify to have y by itself on the left hand side.

x + 10 = 7y^2

\frac{x+10}{7}=y^2

sqrt(\frac{x+10}{7})=±y

y = ±sqrt(\frac{x+10}{7})

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