a, b, c
just took the test
-2.3 - (4.5-3.5)
-2.3 - (1.)
You will need to draw this out yourself.
But to map each point, you find the x (left or right) then y (go up or down).
For example, point A is -1,7
so move one block to the left is -1, move your finger up 7 (line inbetween 6 and 8) that is point A.
Draw for all the others, connect each group of three points to draw the triangle
isolate the variable by dividing each side by factors that don't contain the variable