Will someone me with this ! i don’t know how to find the answer!

or

Step-by-step explanation:

From the triangle shown,

EG = DG

Plug in for EG and 16 for DG. Solve for x.

The above equation is a quadratic equation of the form with a = 3, b = -8 and c = -16.

Now, using the quadratic formula, we solve for x.

±

Plug in 3 for a, -8 for b and -16 for c.

±

±

±

or

Therefore, possible values of are -1.33 or 4.

, and

for

step-by-step explanation:

we can analyze the pattern at which the terms increase. let us denote , , , so that we can call

note the following:

the pattern: to get the next term value, we just add the next term number (e.g. 1st, 2nd, to the previous term value (term values are the given numbers in the question, 1, 3, 6, 10, 15,

from , to get to , we add

from , to get to , we add

etc.

we need to form a recursive formula, a formula that has the next term as a function of the previous term. so a possible recursive formula can be

, and for