$(0.6 x-1.2 y)^{2}$
A) $0.36 x^{2}-1.44 y^{2}$
B) $0.36 x^{2}+1.44 y^{2}$
C) $0.36 x^{2}+1.44 x y+1.44 y^{2}$
D) $0.36 x^{2}-1.44 x y+1.44 y^{2}$

Name: $(0.6 x-1.2 y)^{2}$ A) $0.36 x^{2}-1.44 y^{2}$ B) $0.36 x^{2}+1.44 y^{2}$ C) $0.36 x^{2}+1.44 x y+1.44 y^{2}$ D) $0.36 x^{2}-1.44 x y+1.44 y^{2}$
Brand: Quizplus
Rating: 4.9 (37 reviews)

Question

Quizplus · Accepted Answer

Expanding $(0.6x - 1.2y)^2$ using the formula $(a - b)^2 = a^2 - 2ab + b^2$, we get $0.36x^2 - 2(0.6x)(1.2y) + 1.44y^2$, which simplifies to $0.36x^2 - 1.44xy + 1.44y^2$.

(0.6x−1.2y)2(0.6 x-1.2 y)^{2}(0.6x−1.2y)2 A) 0.36x2−1.44y20.36 x^{2}-1.44 y^{2}0.36x2−1.44y2 B) 0.36x2+1.44y20.36 x^{2}+1.44 y^{2}0.36x2+1.44y2 C) 0.36x2+1.44xy+1.44y20.36 x^{2}+1.44 x y+1.44 y^{2}0.36x2+1.44xy+1.44y2

$(0.6 x-1.2 y)^{2}$ A) $0.36 x^{2}-1.44 y^{2}$ B) $0.36 x^{2}+1.44 y^{2}$ C) $0.36 x^{2}+1.44 x y+1.44 y^{2}$