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ruddymorales1123
08.06.2020 •
Mathematics
What is the equation of the following line? Be sure to scroll down first to see all answer options.
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Ответ:
y = 9x
Step-by-step explanation:
The y intercept is zero since it goes through the point (0,0)
We need to find the slope
m = (y2-y1)/(x2-x1)
= (9-0)/(1-0)
= 9/1
Putting this into slope intercept form y = mx+b
y = 9x +0
y = 9x
Ответ:
D) J'(–12, 24) and K'(12, –8)
Step-by-step explanation:
A dilation is a type of transformation that changes that size of a figure which is known as the pre-image to produce a new figure known as the image.
The rule to dilate a figure is to multiply the scale factor to the coordinates of the pre-image to get the coordinates of the image .
Therefore, If scale factor =-4
Then, The coordinates of J' =![J'(x,y)=J'(-4(3),-4(-6))=J'(-12,-24)](/tpl/images/0457/5779/3b185.png)
The coordinates of K' =![K'(x,y)=K'(-4(-3),-4(2))=K'(12,-8)](/tpl/images/0457/5779/092d4.png)
The coordinates of J' and K' are J'(–12, 24) and K'(12, –8).
Hence, D is the right answer.