Saturday

October 25, 2014

October 25, 2014

Posted by **Jman** on Wednesday, May 15, 2013 at 3:30pm.

17. 7t4 • 7t4

49t8

14t4

49t16

14t8

18. –3(4x + 5)

7x + 15

7x – 15

–12x – 15

–12x + 15

19. 5k2(–6k2 – 2k + 6)

–30k3 + 3k2 + 30k

30k4 – 10k3 + 11k2

–k4 + 3k3 + 11k2

–30k4 – 10k3 + 30k2

20. (–8x) • 3x2

–5x3

–24x2

–24x3

–5x2

21. (7y2 – 3y) + (8y2 – 8y)

56y2 – 24y

15y2 – 11y

–y2 + 5y

y2 – 5y

MY ANSWERS

17. A

18. C

19. D

20. ?

21. B

- Maths! Check Answers -
**Steve**, Wednesday, May 15, 2013 at 3:44pm20 (C)

Odd that you could get 19, but got stuck on 20

- Maths! Check Answers -
**Jman**, Wednesday, May 15, 2013 at 3:47pmI know it was confusion for me did i get them all right?

- Maths! Check Answers -
**Steve**, Wednesday, May 15, 2013 at 3:59pmyes, except 20.

- Maths! Check Answers -
**Jman**, Wednesday, May 15, 2013 at 4:08pmok thanks

- Maths! Check Answers -
**Sandy**, Wednesday, June 12, 2013 at 1:16pmThx

**Answer this Question**

**Related Questions**

Algebra - 7t^4 • 7t^4 A.49t8 B.14t4 C.49t16 D.14t8 Is this 49t^8...A..?

Urgent Math please check - Very Important I can get someone to check these for ...

Algebra (check my answers) - Please check these answers. Multiply -7(2a2 -4) = -...

Math - Can someone please check my answers below for accurateness? The ...

Polynomial- Doublecheck2 - I asked this earlier, but I didn't get an answer. I'm...

Last questions Ms. Sue please for math - 1. To which subset(s) does the number...

algebra - Andrew factored the expression 20x^3-12x^2+8x as 4x(5x^2-12x^2+8x). ...

Algebra - Andrew factored the expression 20x^3-12x^2+8x as 4x (5x^2-12x^2+8x). ...

Algebra - Can you please check my work? You have helped other students I know. ...

Algebra - Can someone help me with this please. Andrew factored the expression ...