Question

check my answers ?
1. what is the product in simplest form? state any restrictions on the variable.
4a^5 over 7b^4 times 2b^2 over 2a^4
A. 4a^9 over 7b^6, a= 0 , b = 0
(B.) 4a over 7b^2, a = 0, b=0
C. 7b^2 over 4a, a=0 ,b=0
D. 4/7 a^9 b^6, a=0 , b=0

2. what is the quotient in simplest form? state any restrictions on the variable
x^2-16 over x^2+5x+6 divided by x^2+5x+4 over x^2-2x-8
(A). (x-4)^2 over (x+3)(x+1; x= -3,1
B. (x+4)^2(x+1) over (x+2)^2(x+3); x= -3,-2,4
C. (x-4)^2 over (x+3)(x+1); x= -4,-3,-2,-1,4
D. 1 over (x+3)(x+1); x= -4,-3,-2,-1,4

Answer 1

HI :DDDDD

Answer 2

3. find the LCM of x^3-x^2+x-1 and x^2-1. write the answer in factored form
A. (x+1)^2(x-1)
(B) (x+1)(x-1)(x^2+1)
C. (x^5-x^2+x-1)(x^2-1)
D. (x+1)(x-1)(x^2-1)

4. simpliof

Answer 3

4. simplify the sum
7/a+8 + 7/a^2-64
A. 7a - 49/ (a-8)(a+8)
B. 14 / a^2+a-56
C. 14/(a-8)(a+8)
(D.) 7a+63/(a-8)(a+8)

Answer 4

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