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Feliz [49]
2 years ago
14

9x^2 - 8x - 1 = 0 What are the x intercepts?

Mathematics
1 answer:
sasho [114]2 years ago
4 0
9x^2  - 8x - 1 = 0

(9x + 1(x - 1) = 0

x = -1/9 , 1  

x intercepts are -1/9 and 1.
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Question is in the picture, please help me out!!
Grace [21]

The arithmetic sequences are as follow:

<h3>What is Arithmetic Sequence?</h3>

An arithmetic sequence in algebra is a sequence of numbers where the difference between every two consecutive terms is the same.

1) t(n) = 5n + 4

t(1) = 9, t(2) = 14, t(3) = 19

So,

9,14,19,...

d= 14-9 = 5

d= 19-14 =5

Hence, it is an AP

2) 1, 2, 4, 8 , 16

Hence, it is not an AP

3) 3, 6, 9 ,...

It is an AP

4)It is given that it is an AP

5) tn =  2*3^n

 t1= 6, t2= 18, t3= 54

So, 6, 18, 54,...

Hence, it is not an AP

6) 3 , 1, 1/3,...

It is not an AP

7) t(n+1)= 6*t(n)

t(1) = -1

t(2)=-6

t(3)= -36

Hence, it is not an AP

8) -3, 1, 5, 9

Hence, it is an AP.

9) 1, 4, 9,...

Hence, it not an AP

10) 2,1,0,1,2,...

It is not an AP

11) t(n)= -2n-5

t(1)= -7, t(2)= -9, t(3)= -11

Hence, it is an AP

12) tn= (1/2)^n

 t1= 1/2, t2= 1/4, t3= 1/8

It is not an AP

Learn more about AP here:

brainly.com/question/24873057

#SPJ1

6 0
2 years ago
Which of the following is an example of a nonterminating, nonrepeating decimal?
BARSIC [14]

Answer:

Option B. 0.578942190874654...

Step-by-step explanation:

we know that

A non-terminating, non-repeating decimal is a decimal number that continues endlessly, with no group of digits repeating endlessly

example

the number \pi= 3.1415926535...

In this problem

the number 0.578942190874654... is a non-terminating, non-repeating decimal

5 0
3 years ago
What is half of 126 and please explain
kenny6666 [7]
Half of 126 is 63 because 63+63=126 and 126/2=63
6 0
3 years ago
Read 2 more answers
What is 4930-3428+2008?
ohaa [14]

Answer:

3510

Step-by-step explanation:

You can just type this into a calculator.

7 0
3 years ago
Read 2 more answers
Tara is hosting a party. She wants to buy some invitations. She has £50 to spend in either shop 1 or shop 2. What is the maximum
polet [3.4K]
It depends on how much the invitations cost at each shop.
5 0
3 years ago
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