Check my answers?
Complete.
- k^2+5k+6=(k+2)(k+□)
A3
B6
C12
D4 *
- x^2+7x+10=(x-5)(x-□)
A1
B2
C4
D5
- v^2+12v+20 = (v+10(v+□)
A10
B20
C40
D2
Factor the expression:
- t^2 +10t +16
A(t+2)(t+5)
B(t+2)(t+8)
C(t+4)(t+4)
D(t+5)(t+4)
- n^2-15n+56
A(n+7)(n+8)
B(n+7)(n-8)
C(n-7)(n-8)
D(n-7)(n-8)
- 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:
- z^2-2z-48=(z-8)(z+□)
A3
B6
C12
D4
Factor the expression:
- w^2-7w-8
A(w-8)(w-1)
B(w-2)(w-4)
C(w-8)(w+1)
D(w+8)(w-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)
- 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)
- 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
- 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
Complete.
A3
B6
C12
D4 *
A1
B2
C4
D5
A10
B20
C40
D2
A(t+2)(t+5)
B(t+2)(t+8)
C(t+4)(t+4)
D(t+5)(t+4)
A(n+7)(n+8)
B(n+7)(n-8)
C(n-7)(n-8)
D(n-7)(n-8)
A(q-4)(q-3)
B(q-4)(q-2)
C(q+6)(q+2)
D(q-6)(q-2)
A3
B6
C12
D4
A(w-8)(w-1)
B(w-2)(w-4)
C(w-8)(w+1)
D(w+8)(w-1)
A(r+3s)(r+30s)
B(r+3)(r+30s^2)
C(r+10)(r+9s)
D(r+10)(r+9s^2)
A(m +4n)(m-7n)
B(m-4n)(m+7n)
C(m-2n)(m+14n)
D(m+2n)(m-14n)
Ap=5, q=-8
Bp=- 2, q=6
Cp= -4, q=-7
Dp= -13, q=1
Ap= -3, q= 7
Bp= 11, q=4 **
Cp = -2, q= -5
Dp= 1, q= 10