Square of binomial expressions

EXPAND (x+4)²

• x² - 8x + 16

• x + 8x + 16

• x² + 8x + 16

• x² - 4x - 16

Answer explanation

The easiest way to find the square of a binomial expression is,

example : ( a+b)²

Square of the first term = a²

Two times the product = 2 × ab

Of the Two terms

And the square of the = b²

second term

Expand. (a+6)²

• a² + 12a + 36

• a² + 12a - 36

• a + 6a + 36

• a² - 12a - 36

Expand. (b - 8)²

• b² + 16b + 64

• b² - 16b + 64

• b² + 16b - 64

• b² + 64 + 16b

Expand. (y-1)²

• y² + 2y -1

• y² - 2y - 1

• y² + 2y + 1

• y² - 2y + 1

Answer explanation

You must pay attention to plus and minus in these type of questions

Expand. (x-2)²

• x² - 4x + 4

• x² + 4x +4

• x² - 4x - 4

• x - 4x + 4

Fill in the blanks ( x + _ ) ² = x ² + _ + 36 )

• 6 and 12x

• 6 and 6x

• 4 and 12x

• 2 and 3x

Fill in the blanks.

( _ - 2 ) = _ - 4x + 4

• a & a ²

• b & b ²

• x & x ²

• y & y ²

Fill in the blanks. (a - _)² = a ² - 14a + _

• 2 and 49

• 7 and 48

• 7 and 49

• 7 and 14

Fill in the blanks. (_ + _)² = y ² + 6y + 9

• y and 6

• y and 9

• y and 2

• y and 3

x² + 20x +100

This is an trinomial expression.

Make it a square of a binomial expression.

• (x + 20)²

• (x + 100) ²

• (x +10)²

• (x+1000)²