roman solved the equation for a. his steps are shown below.
which statement about roman’s work is true?

in step 1, he needed to add 2b to both sides of the equation.
in step 1, he needed to divide both sides of the equation by 2b.
in step 2, he needed to divide both sides of the equation by 5.
in step 2, he needed to subtract 5 from both sides of the equation.

step 1, he needed to add 2b to both sides

Step-by-step explanation:

he needed to do this to get rid of that 2b

given that triangle abc is transformed two times to get triangle

a"b"c"

first abc is transformed in to a'b'c' as follows:

the coordinates of a are (1,-1) and transformed into a'(-1,1)

similarly b (4,-2) became b'(-4,2) and

c(7,-2) became c'(-7,2)

i.e. (x,y) becomes (-x,-y)

this is nothing but reflection about a point here origin.

thus first transformation is reflection on the origin.

next is exactly shifting 3 units down

source:

2160ft3

step-by-step explanation: