It is a similar triangle so the side length of the smaller triangle (x and x-2) are in the same ratio as the bigger triangle (2x+5 and 2x-1). As the ratio is the same, you can equate them and solve for x.
Do you have to have 10on a number line to show a decimal
2 answers:
You might be interested in
The given parabola is . Compare with the standard equation of a parabola in vertex form,
.
The vertex of this parabola is . Compare
with the standard equation
.
we see . Thus, the vertex of the given parabola is
.
