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USPshnik [31]
2 years ago
5

What are the first five terms

Mathematics
2 answers:
tangare [24]2 years ago
5 0

Answer:

Its the first choice.

Step-by-step explanation:

an = the nth term. so:

a1 = 6(1) + 1 = 7

a2 = 6(2) + 1 = 13

a3 = 6(3) + 1 = 19

The common difference is 6.

sammy [17]2 years ago
3 0

Answer:

7, 13, 19, 25, 31

Step-by-step explanation:

aₙ = 6n + 1

n =  1: a₁  = 6 × 1 + 1  = 6 +  1  = 7

n = 2: a₂ = 6 × 2 + 1 = 12 + 1 = 13

n = 3: a₃ = 6 × 3 + 1 = 18 + 1  = 19

n = 4: a₄ = 6 × 4 + 1 = 24 + 1 = 25

n = 5: a₅ = 6 × 5 + 1 = 30 + 1 = 31

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4 0
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3 years ago
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What are the x-intercepts of x^2– 3x = 4?
Sindrei [870]

Answer:

x^2-3x=4

x^2-3x-4=0

x^2-4x+x-4=0

x(x-4)+1(x-4)=0

(x+1)(x-4)=0

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Step-by-step explanation:

3 0
3 years ago
Write a quadratic equation in standard form with the given roots
stich3 [128]

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Step-by-step explanation:

So we go backwards, since we have x= 1/2 , 7

(x -  \frac{1}{2} )(x - 7)

Now we have to foil to get the quadratic

{x}^{2}  - 7x -  \frac{1}{2} x +  \frac{7}{2}

We must simplify the terms

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Our final result comes out to be

{x}^{2}  -  \frac{15x}{2}   +  \frac{7}{2}

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