Answer:
it is 18
Step-by-step explanation:
Answer:
a₄ = - 15
Step-by-step explanation:
Using the recursive formula and a₁ = 17 , then
a₂ = a₁ - 8 = 17 - 8 = 9
a₃ = a₂ - 8 = 9 - 8 = 1
a₃ = a₂ - 8 = 1 - 8 = - 7
a₄ = a₃ - 8 = - 7 - 8 = - 15
Answer:
2
Step-by-step explanation:
-(-1) + (-7) + (2) - (-4) - (-2) =
= 1 + (-7) + 2 + 4 + 2
= -6 + 2 + 4 + 2
= -4 + 4 + 2
= 0 + 2
= 2
Answer:
(x - 3)^2 + (y + 2)^2 = 2^2.