Question

What is the image of point (-7, 7) for mapping (x, y) , (x – 1, x + 6).

a. (13, -8)
b.(-8, 13)
c. (8, 13)
d.(-8, -13)

Answer 1

just do what the transformation says..
subtract 1 from your x coordinate;
add 6 to your y coordinate...:)

Answer 2

take a guess.. which one....

Answer 3

what does a negative plus a negative equal ?

Answer 4

negative.... i think...

Answer 5

Addition of negative numbers goes like this:\[(-a)+(-b)=-(a+b)\]It's just an application of the distributive property, which you may have learned.

Answer 6

ans would be d.