Question

Point Q was rotated about the origin by ${180}^o$.which point is an image of Q?

• A. A
• B. B
• C. C
• D. D

Answer 1

The correct option is B B

Angle of rotation is ${180}^{\circ }$

$(-x,y)\to (x,-y)$

$(x,y)\to (-x,-y)$

So,

$(-4,0)\to (4,0)$

Point B is at $(4,0)$