(Factor each polynomial)
Factored form of
x 2 − 16x + 63
What is (x-9)(x-7)?
The zero(s) of
f(x) = (x-3)(x-3)
What is x = -3?
x2 − 4x = −12
What is x2 − 4x +12 = 0?
5x2 − 5x − 30 = 0
What is factor?
x2 − 11x = −30
x2 - 11x - 30 = 0
What is the second step: x2 - 11x +30 = 0?
Factored form
2b 2 + 17b + 21
What is (2b + 3)(b+7)?
The zero(s) of
f(x) = (x+4)(x-1)
What is x = {-4, 1}?
9 = −5x2 + 8x
What is 0=−5x2 + 8x - 9
3r 2 − 16r − 7 = 5
What is make the right hand side of the = 0?
8(v − 2)(v + 3)= 0
v-2 = 0 and v+3= 0
v = {-3, -2}
What is the third step: v= { -3, 2}?
Factored form of 7k2 + 9k
What is k(7k +9)?
The zero(s) of
f(x) = x(x+ 9)
What is x = {-9,0}?
x2 + x − 1 = −2x + 3
What is x2 +3x - 4 = 0 ?
f(x) = −3x2 + 2x + 7
What is set f(x) equal to 0?
2x2 + 5x − 1 = x − 3
2x2 + 4x+ 2= 0
2(x2 + 2x) = 0
What is the third step: 2(x2 + 2x + 1) = 0?
Factored form of
2x2 -2x - 24
What is 2(x-4)(x+3)
The zero(s) of
f(x) = (4x-12)(x-5)
What is x = {3, 5}?
30 + 11r = 5r 2 − 44r + 12
What is 0 = 5r2 -55r - 18?
8(v − 2)(v + 3)= 0
What is set each parenthesis equal to 0 and solve?
2x2 -2x -24
2(x2 -2x -24)
2(x -6)(x+4)
What is the second step: 2(x2 - x - 12)?
Factored Form of
8x2 -10x - 12
What is 2(x-2)(4x + 3)?
The zero(s) of
f(x) = x(3x+9)(2x-5)
What is x = {-3, 0 , 5/2 }?
10b 2 -18 =- 27b + 18
What is 10b2 + 27b = 0?
v = 8 and v =3
What is write as a set in numerical order?
v = {3, 8}
0= −5x2 + 8x
0= x(-5x + 8)
-5x + 8 = 0
x = {-8/5}
What is the third step: x = 0 and -5x+ 8 =0?