Get premium membership and access questions with answers, video lessons as well as revision papers.

Point A(4, 4) maps onto point A1 (8, 10) under enlargement with linear scale factor 3. Find the coordinates of the centre of enlargement.

      

Point A(4, 4) maps onto point A1 (8, 10) under enlargement with linear scale factor 3. Find the coordinates of the centre of enlargement.

  

Answers


John
$\frac{8 - x}{4 - x}$ = 3;

8 - x = 12 - 3x

2x = 4; x = 2

also

$\frac{10 -y}{4 - y}$ = 3;

10 - y = 12 - 3y

2y = 2; y = 1

Co-ordinate of the centre of enlargement is O(2, 1)
johnmulu answered the question on March 2, 2017 at 08:58


Next: Determine the angle of elevation of the top of the building from A.
Previous: ABCD is a parallelogram with A(1,1) and C(8, 10). The equation of AB is 4x - 5y = -1 and the equation of BC is 5x - 2y = 20. Determine

View More Mathematics Questions and Answers | Return to Questions Index


Learn High School English on YouTube

Related Questions