Answer:1, -4, 9, -16, 25, -36Step-by-step explanation:1, -4, 9, -16Each term is a perfect square:1², 2², 3², 4²With alternating signs:1², -(2²), 3², -(4²)The pattern can be represented as:(-1)^(n-1) * n²Where n = 1, 2, 3, 4, ...This formula generates the sequence:1, -4, 9, -16, 25, -36, ...