MP3 CPA Quarterly review

Classify the following expression:

 $3x^2-7x-1$  

• cubic binomial

• quadratic trinomial

• quartic polynomial

• not a polynomial

Classify the following:

 $2x^4-18x^3+41x^2-41x+90$  

• quartic polynomial

• quadratic polynomial

• not a polynomial

• cubic monomial

Classify the following expression:
 $-7x$  

• not a polynomial

• quartic binomial

• cubic trinomial

• linear monomial

Multiply (FOIL):
 $(x+7)(x-1)$  

•  $x^2-7$  

•  $2x-7$  

•  $x^2+6x-7$  

What is another way to write the following? (select ALL that apply)
 $\left(x+3\right)^2$  

•  $\left(x+3\right)\left(x+3\right)$  

•  $x^2+6x+9$  

•  $x^2+9$  

Factor:
56a³-8a

• 8a²(56a³-8a)
• 8a(7a²-1)
• 8a(7a³-a)
• 8a²(35a²-a)

Factor
n² + 16n + 63

• (n-7)(n+4)
• (n+7)(n-9)
• (n-3)(n-10)
• (n+7)(n+9)

Factor
k² -2k - 24

• (k+4)(k-6)
• (k+4)(k+6)
• (k+6)(k-1)
• (k-4)(k+6)

What is the GCF? 5x²+20x

• 5
• x
• 5x
• 20x

x² + 81

• Prime
• ( x - 9 ) ( x + 9 ) 
• ( x + 9 ) ( x + 9 ) 
• ( x - 9 ) ( x - 9 )