1 year ago

Find the formula an for the nth term of the geometric sequence satisfying the following conditions: a1 = -2,

Mathematics

1 answer:

Alexeev081 [22]1 year ago

3 0

Answer:

Step-by-step explanation:

a1 = - 2

an = a1 * r^(n - 1)

a6 = -486

-486 = - 2 * r^(6-1) Divide by 2

243 = r^5

The largest value that r could be is 3.

4^5 = 1024

(243)^(1/5) = 3

So the general formula

an = -2*(3)^(n - 1)

You might be interested in

Find the Error. Judith states that -|14| = 14 because the absolute value can never be negative. Find her mistake and correct it.

AURORKA [14]

Answer:

-14

Step-by-step explanation:

The negative sign is not inside of the absolute value sign so it would be -14

5 0

2 years ago

Rewrite without parentheses. 7xy2+−4y43x52

vodka [1.7K]

I would use photo math! also there is already no parennthisis

6 0

2 years ago

The expression -7y is a<br><br> a. term<br> b. variable<br> c. constant

Jet001 [13]

Answer:

the answer is a) term

Step-by-step explanation:

hope this helps! :)

brainliest?

8 0

2 years ago

Read 2 more answers

Solve for x. 1/15+x=3/10

ValentinkaMS [17]

Answer:

x=7/30

Step-by-step explanation:

3/10-1/15

7 0

3 years ago

Read 2 more answers

Write an equation in slope-intercept from the line with slope 3/5 and y-intercept 1 . Then graph the line.

never [62]

Answer:

y=(3/5)x+1

Step-by-step explanation:

Slope-intercept form of a line is as follows

y=mx+c, where m is the slope of the line and c is the y intercept.

Hence the equation of the line is y=(3/5)x+1

3 0

2 years ago