Math

posted by .

The point A(-2, 3) is translated using T: (x,y) → (x + 4, y + 2).

What is the distance from A to A'?
square root 6
2 square root 2
5
2 square root 5

• Math -

A(-2,3),A'(x,y).

x+4 = -2+4 = 2.
y+2 = 3+2 = 5.

A(-2,3),A'(2,5).

D^2 = (2-(-2))^2 + (5-3)^2 = 20,
D = sqrt(20) = sqrt(4*5) = 2*sqrt5.

Similar Questions

1. geometry

The point A(-2, 3) is translated using T: (x,y) → (x + 4, y + 2). What is the distance from A to A'?
2. Math

The point A(-2, 3) is translated using T: (x,y) → (x + 4, y + 2). What is the distance from A to A'?
3. Geometry

The point A(-2, 3) is translated using T: (x,y) → (x + 4, y + 2). What is the distance from A to A'?

2. Shelly sews a blanket that has an area of 170 square feet. It has 30 square blocks, each the same size. What is the approximate length of each side of a block?
5. Algebra

Rationalize each expression by building perfect nth root factors for each denominator. Assume all variables represent positive quantities. I don’t understand how to compute these. Also I don’t have the square root sign so I typed …

Please help me simplify these following mixed radicals:: and show me how you did it cause I need to learn : I don't know how to type a square root sign so I just wrote square root and the numbers infront of the square root are supposed …