Square of a Sum

What is the formula for the square of a sum?

• (a + b)^2 = a^2 + b^2

• (a + b)^2 = a^2 - 2ab + b^2

• (a + b)^2 = a^2 - b^2

• (a + b)^2 = a^2 + 2ab + b^2

Tags

CCSS.HSA.APR.C.4

If a = 3 and b = 4, what is the square of the sum of a and b?

• 16

• 12

• 49

• 25

Tags

CCSS.6.EE.A.2C

Simplify (x + 5)^2

• x^2 + 10x + 25

• (x + 5)(x + 5)

• x^2 + 5x + 25

• x^2 + 25

Tags

CCSS.HSA.APR.C.4

Expand and simplify (m + n)^2

• m^2 + 2n

• m^2 + mn + n^2

• m^2 + 2mn + n^2

• (m + n)^2

Tags

CCSS.HSA.APR.C.4

If m = 4 and n = 6, what is the square of the sum of m and n?

• 100

• 56

• 40

• 24

Tags

CCSS.6.EE.A.2C

Simplify (p + 2q)^2

• p^2 + 4q^2

• p^2 + 4pq + 4q^2

• p^2 + 2pq + 2q^2

• p^2 + 2pq + q^2

Tags

CCSS.HSA.APR.C.4

If p = 5 and q = 3, what is the square of the sum of p and q?

• 64

• 20

• 8

• 15

Tags

CCSS.6.EE.A.2C

Expand and simplify (2a + 3b)^2

• 4a^2 + 12a^2 + 9b^2

• 4a^2 + 3ab + 9b^2

• 4a^2 + 12ab + 9b^2

• 4a^2 + 6ab + 9b^2

Tags

CCSS.HSA.APR.C.4

If x = 2 and y = 5, what is the square of the sum of x and y?

• 10

• 49

• 25

• 14

Tags

CCSS.6.EE.A.2C

What is the square of the sum of 7 and 9?

• 16

• 256

• 81

• 49

Tags

CCSS.6.EE.A.2C