Check my answers?


Complete.

  1. k^2+5k+6=(k+2)(k+□)
A3
B6
C12
D4 *

  1. x^2+7x+10=(x-5)(x-□)
A1
B2
C4
D5

  1. v^2+12v+20 = (v+10(v+□)
A10
B20
C40
D2

Factor the expression:

  1. t^2 +10t +16
A(t+2)(t+5)
B(t+2)(t+8)
C(t+4)(t+4)
D(t+5)(t+4)

  1. n^2-15n+56
A(n+7)(n+8)
B(n+7)(n-8)
C(n-7)(n-8)
D(n-7)(n-8)

  1. q^2-8q+12
A(q-4)(q-3)
B(q-4)(q-2)
C(q+6)(q+2)
D(q-6)(q-2)

Complete:

  1. z^2-2z-48=(z-8)(z+□)
A3
B6
C12
D4

Factor the expression:

  1. w^2-7w-8
A(w-8)(w-1)
B(w-2)(w-4)
C(w-8)(w+1)
D(w+8)(w-1)

  1. r^2 +19rs +90s^2
A(r+3s)(r+30s)
B(r+3)(r+30s^2)
C(r+10)(r+9s)
D(r+10)(r+9s^2)

  1. m^2-3mn-28n^2
A(m +4n)(m-7n)
B(m-4n)(m+7n)
C(m-2n)(m+14n)
D(m+2n)(m-14n)

  1. Suppose you can factor c^2+bx+c as (x+p)(x+q). If c>0, what could be possible values of p and q?
Ap=5, q=-8
Bp=- 2, q=6
Cp= -4, q=-7
Dp= -13, q=1

  1. Suppose you can factor x^2+bx+c as x+p)(x+q). If c<0, what could be possible values of p and q?
Ap= -3, q= 7
Bp= 11, q=4 **
Cp = -2, q= -5
Dp= 1, q= 10

Verified Answer :

cjack3

These are the wrong ones with the correct answer: 
1. a
2. b 
3. d 
6. d 
7. b
If you want me to explain how to get these I can.

I just took the practice here are the answers 100% correct

1. B- 3

2. B- 2

3. D- 2

4. B- (t+2)(t+8)

5. C- (n-7)(n-8)

6. D- (q-6)(q-2)

7. B- 6

8. C- (w-8)(w+1)

9. C- (r+10s)(r+9s)

10. A- (m+4n)(m-7n)

11. C- p= -4, q= -7

12. A- p= -3, q= 7