algebraic identities

(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

Expand (4x − 5)(4x + 5).

• 4x² − 25

• 4x² + 25

• 16x² + 25

• 16x² − 25

Expand (x−4)².

• x² −8x+16

• x² −8x−16

• x² +8x+16

• x² −16

Tags

CCSS.HSA.APR.C.5

 $\left(4a+2b\right)^2=$ 

•  $16a^2+8ab-4b^2$  

•  $16a^2-8ab-4b^2$  

•  $16a^2-8ab+4b^2$ 

•  $16a^2+8ab+4b^2$ 

Tags

CCSS.HSA.APR.C.4

(x² - y²) × (x² + y²) = ______

• 2x² + 2y²
• x⁴ - y⁴
• x⁴ + y⁴
• 2x⁴

Tags

CCSS.HSA.APR.A.1

(99)^3

Can the following expression be a monomial (xyz + a) where 'a' is any whole number 

• For a = 1
• For a = -1
• For a = 0
• Not possible

Subtract x² – 3y² + 7y – 8 from 9x² – xy + y² + 5x – 3y

• 8x² – xy + 4y² + 5x - 10y – 8
• 10x² – xy - 2y² + 5x + 4y + 8
• 10x² – xy + 4y² + 5x - 10y - 8
• 8x² – xy + 4y² + 5x - 10y + 8

Tags

CCSS.7.EE.A.1

CCSS.7.EE.B.3

Add (a - b - c) ; (b - a - c) and (c - a - b)

• (a - b - c)
• (- a - b - c)
• (a + b - c)
• (-a - b + c)

Tags

CCSS.7.EE.A.1

CCSS.7.EE.B.3

CCSS.7.NS.A.1

CCSS.7.NS.A.3