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Morgan
Morgan asked in Science & MathematicsMathematics · 4 years ago

Algebra II PLEASE HELP!!?

1. Write the recursive rule the sequence

-2, 4, -8, 16

a. t1+16; tn+-2(tn-1)

b. t1=16; tn=-1/2(tn-1)

c. t1=-2; tn=-1/2(tn-1)

d.t1=-2; tn=-2(tn-1)

2. Write a explicit rule for the sequence

a1 = –6, an = 1/2an-1

3. find the recursive formula for the sequence

-3, -15, -75, -375

I dont understand these at all and i need the answers ASAP anything helps!!!!

1 Answer

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  • ?
    Lv 7
    4 years ago

    1] d.t1=-2; tn=-2(tn-1)

    2] a_n = -6*(1/2)^(n-1)

    3] t1 = -3, a_n = 5*a_(n-1)

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