Click the correct answer.
What is the value of (y + 3)2?
2y2 + 6y + 9
y2 + 9y + 9
y2 + 6y + 9
y2 + 2y + 9
What is the value of (x – y)2?
x2 – 2xy + y2
x2 + 2xy + y2
x2 – 2xy – y2
x2 – xy + y2
What is the value of (x4 – y4)(x4 + y4)?
x8 + y8
x4 – y4
x8 – y8
x4 + y4
What is the value of (4x + 7)(4x – 3)?
16x2 + 12x – 21
16x2 + 16x – 21
16x2 + 16x + 21
16x2 – 16x + 21
What is the square of 4a + 3b?
16a2 + 12ab + 9b2
8a2 + 24ab + 9b2
16a2 + 24ab + 9b2
16a2 + 36ab + 9b2
What is the value of (x3 + 7)(x3 – 7)?
x6 – 49
x9 – 49
x6 – 14
x6 – 21
What is the value of (x2 – 7)(2x + 3)?
2x3 – 3x2 + 14x – 21
2x3 + 3x2 – 14x – 21
2x3 + 3x2 – 14x + 21
2x3 + 3x2 + 14x + 21
What is the square of $$3x - \frac{y}{3}$$?
$$9x^{2}-3xy+\frac{y^{2}}{9}$$
$$9x^{2}-2xy+\frac{y^{2}}{6}$$
$$9x^{2}-2xy+\frac{y^{2}}{9}$$
$$9x^{2}-xy+\frac{y^{2}}{6}$$
