Algebraic Identities Class- 8

(x - 8) ( x - 8) = ______

• x² - 64
• x² + 64
• x² - 16x + 64
• x² + 16x + 64

Tags

CCSS.HSA.APR.A.1

Expand (4x − 5)(4x + 5).

• 4x² − 25

• 4x² + 25

• 16x² + 25

• 16x² − 25

Tags

CCSS.HSA.APR.C.4

 $\left(4a+2b\right)^2=$ 

•  $16a^2+8ab-4b^2$  

•  $16a^2-8ab-4b^2$  

•  $16a^2-8ab+4b^2$ 

•  $16a^2+16ab+4b^2$ 

Tags

CCSS.HSA.APR.C.4

(x² - y²) × (x² + y²) = ______

• 2x² + 2y²
• x⁴ - y⁴
• x⁴ + y⁴
• 2x⁴

Tags

CCSS.HSA.APR.A.1

(p² - q²)²=

• p⁴+2p²q²+q⁴

• p²-2p²q²+q²

• p⁴-2p²q²+q⁴

Tags

CCSS.HSA.APR.C.4

105 $\times$  95 =

• 9875

• 9476

• 9975

(p+7)(p-2) =

• p²-5p +14

• p²+7p -14

• p²+5p-14

Tags

CCSS.HSA.APR.A.1

Find the product of (2x - 3y)(2x + 5y) using suitable identity.

• x² + 4xy - 15xy

• $4x^2+4xy-15y^2$

• x² - 15xy - 15xy

• 2x² - 6xy - 15xy

Tags

CCSS.HSA.APR.C.4

 $\left(10a+12b\right)\left(10a-12b\right)=$  

•  $-100a^2-144b^2$ 

•  $144b^2-100a^2$ 

•  $100a^2+144b^2$ 

•  $100a^2-144b^2$ 

Tags

CCSS.HSA.APR.A.1

(5x+y)(-5x+y)

• y² - 25x²

• -y² - 25x²

• 25x² - y²

• 25x² + 10xy + y²

Tags

CCSS.HSA.APR.C.4