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3 years ago

9

How do I determine the 50th term for the sequence -5, -1, 3, 7, 11

1 answer:

Mademuasel [1]3 years ago

5 0

The sequence is going up by 4 so u have to multiply each term by four and the -5 is it’s 0th term as well it’s beginning so you have to input that in the equation as well
4(50) - 5 = 200 - 5 = 195
I’m not very good at explaining so I hope u get it

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<h2>Answer</h2>

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<h2>Explanation</h2>

Lets solve our system of equations step by step

$x^2+y^2=6$ equation (1)

$x^2-y=6$ equation (2)

1. Solve for $x^2$ in equation (2)

$x^2-y=6$

$x^2=6+y$ equation (3)

2. Replace equation (3) in equation (1) and solve for $y$

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$y(y+1)=0$

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3. Replace the values of $y$ in equation (3) and solve for $x$

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$x=\sqrt{6}$ or $x=-\sqrt{6}$

- For $y=-1$

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$x^2=5$

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So, the solutions of our system of equation are:

$x=\sqrt{6}, y=0\\ x=-\sqrt{6} , y=0\\x=\sqrt{5} , y=-1\\x=-\sqrt{5} , y=-1$

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