Quadrilaterals LMNO and ABCD are congruent. The side length of each square on the grid is 1 unit. C
D
o
0
А
7
is
N
L
M
Which of the following sequences of transformations maps LMNO onto ABCD?
Sequence A
A translation 6 units to the left and 1 unit up, then a
reflection over the horizontal line through point A
Sequence B
A 90° rotation about pointthen a
translation 6 units to the left and l unit up.
Choose 1 answer

hello from mrbilldoesmath!

answer:

a(n) - a(n-1) -3

discussion:

this ones a bit interesting. given a(n) = 5 - 3n consider this:

a(n-1) = 5 - 3(n-1)

          = (5 - 3n) + 3             => but a(n) = 5 - 3n, the first term

          = a(n)   + 3                 => subtract 3 from both sides

a(n-1) -3 = a(n)  

or

a(n) - a(n-1) -3

you,

mrb

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step-by-step explanation: