The vertices of a rectangle are A(-1, 1), C(1, -2), and D(-1, -2). Dilate the rectangle using a scale factor of 2, and then translate it 3 unit left and 4 units up

answer: 177/8

step-by-step explanation:

n=1.75+1.75

step-by-step explanation:

3.5/2=1.75

answer: (-8,4) are the coordinates of a

step-by-step explanation:

let the side of square abcd is x .

thus the area of square abcd is .

now, by the diagram area of triangle ead= 1/2 × ea × ad = 1/2 × ea × x

( because ad is the side of square)

and, according to the question,

the areas of square abcd and right ead are equal.

⇒

⇒ea=2x

thus, ea: ab=2: 1

therefore, point a divides line segment eb into the ratio 2: 1.

⇒ by sectional formula coordinates of a are,

=

=

=(-8, 4)

thus the coordinates of a are (-8,4)