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MAXImum [283]
3 years ago
7

What is the21st term of -3,2,7​

Mathematics
2 answers:
Alisiya [41]3 years ago
8 0
Arithmetic sequence formula
an=a1+d(n-1)
-3+5(n-1)
-3+5n-5
5n-8
a21=5(21)-8
a21=97
Fed [463]3 years ago
4 0

Answer:

102

Step-by-step explanation:

The first step is to find out how to find the next number in the term.

In this we can see that to get to the next number in the term we need to add 5.

The easiest way to figure out the 21st term of this, would be to multiply 5×21. This is equal to 105.

But since we started at three less than 5, we need to subtract 3 from 105. 105-3=102.

The 21st term is 102.

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Step-by-step explanation:

this is the explanation for it brainly.com/question/1442168

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Simplify to using laws of exponents<br><br> (-2)^2(-2)^5
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Step-by-step explanation:

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3 years ago
Write the factored form of an equation that has the zeros 4 and -7.
sineoko [7]

The factored form of the equation that has the zeros 4 and -7 is y = ( x - 4)( x + 7 ).

<h3>What is the factored form of an equation that has the zeros or roots 4 and -7?</h3>

Roots are simply the points where the graph intercepts with the x-axis. ( y = 0 )
That is, y = 0 the roots

Given the roots of the equation;

  • 4
  • -7

Now, at x = 4,

x = 4

x - 4 = 0

y = ( x - 4)

Also, at x = -7,

x = -7

x - ( - 7 ) = 0

x + 7 = 0

y = ( x + 7 )

Hence; for the equation with the given roots; 4 and -7 will be;

y = ( x - 4)( x + 7 ).

The factored form of the equation that has the zeros 4 and -7 is y = ( x - 4)( x + 7 ).

Learn more about roots of quadratic equation here: brainly.com/question/26926523

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