Answer:
7/2
Step-by-step explanation:
Answer:
To prove triangles similar, you need to prove that corresponding angles are congruent and corresponding sides are proportional.
Step-by-step explanation:
Answer:
X = 5
Step-by-step explanation:
Here is what I am picturing (not to scale)
A ----------------B-----------C
We are given the information of AB (which equals 3x + 1), BC (which equals 4x - 5), and AC (which equals 8x - 9).
With reference to the line, AB + BC = AC
So,
3x + 1 + 4x - 5 = 8x - 9
7x - 4 = 8x - 9
5 = x
You have to replace the x with the 2
f(2)= 5(2)-12
f(2)= -2
If two signs are different they make a negative, if two signs are the same, they make a positive:
Hope this helps!