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4 years ago

11

Help me plz quick my phone about to die

1 answer:

konstantin123 [22]4 years ago

5 0

I'll do the first graph.

We can easily find the y intercept by inputting 0 for x.

y = -2(0) + 7
y = 7

The y-intercept is (0, 7)

To find the x intercept, isolate x.

y = -2x + 7
Add 2x to both sides.
2x + y = 7
Subtract y from both sides.
2x = -y + 7
Divide by 2 on both sides.
x = -1/2y + 3.5

Input 0 for y.

x = -1/2(0) + 3.5
x = 3.5

The x intercept is (3.5, 0)

Now try the rest own your own! :)

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3 years ago

I need help writing the first 5 terms of the sequence!

Angelina_Jolie [31]

The first five terms of the sequence are 1, 4, 7, 10, 13.

Solution:

Given data:

$a_{1}=1$

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General term of the arithmetic sequence.

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d = 3

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Put n = 2 in $a_{n}=a_{n-1}+3$ , we get

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Put n = 3 in $a_{n}=a_{n-1}+3$ , we get

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Put n = 4 in $a_{n}=a_{n-1}+3$ , we get

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