State whether each expression is a difference of two squares. If it is, factor the binomials completely. If not write BLUFF.
1. y^2-4
2. 9a^2-49
3. 4a^2b^2-64
4. 16y^3-25
5. b^2-1
6. c^2+16
7. (p+q)^2-81
8. a^2-(c-d)^2
9. m^2n^2-9x^4
10. x^2y^8-36z^10
B. Show the factor forms of the given binomials.
1. y^3+8
2. 27x^3-125
3. c^3-8d^3
4. a^3+(b+c)^3
1. y^2-4
2. 9a^2-49
3. 4a^2b^2-64
4. 16y^3-25
5. b^2-1
6. c^2+16
7. (p+q)^2-81
8. a^2-(c-d)^2
9. m^2n^2-9x^4
10. x^2y^8-36z^10
B. Show the factor forms of the given binomials.
1. y^3+8
2. 27x^3-125
3. c^3-8d^3
4. a^3+(b+c)^3
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Answer:
Answer:
1.(y+10)(y-10)
2.(a+7)(a-7)
3.(ab-8)(ab+8)
4.Bluff
5.(b+1)(b-1)
6.Bluff
7.(p+q+9)(p+q-9)
8(a+c-d)(a-c+d)
9(mn-3x²)(mn+3x²)
10.(xy⁴-6z⁵)(xy⁴+6z⁵)