What is the image of (3,-6) when reflected in the x axis

Question

Multiple choice  a. (-3,6)

B (3,-6)

C (6,-3)

D (3,6)

Answer 1

Here are 2 rules to remember:

 

(x,y) reflects across the x-axis as (x,-y).

 

(x,y) reflects across the y-axis as (-x,y).

Answer 2

Draw a diagram!

(3, -6) is in QIV.

Its reflection over the abscissa is in QI

(3, 6)