Stuff You Must Know Cold- Algebra 2 - 2nd

Factoring TrinomialsLC=1

100

x^2 + 4x - 45

(x - 5) (x + 9)

200

 x^2+4xy-21y^2

(x + 7y) (x - 3y)

300

6x^2- 54x + 84

6 (x - 7) (x - 2)

400

2n^3 - 26n^2 + 80n

2n (n - 8) (n - 5)

500

m^4 + 2m^2 - 48

(m^2 - 6) (m^2 + 8)

Factoring TrinomialsLC≠1

100

3n^2 - 8n + 5

(3n - 5) (n - 1)

200

5x^2 + 13xy + 6y^2

(5x + 3y) (x + 2y)

300

6p^2 - 26p + 24 

2 (3p - 4) (p - 3) 

400

4v^3 + 2v^2 - 20v

2v (2v + 5) (v - 2)

500

4x^2 + 16x + 15 

(2x + 5) (2x + 3) 

FactoringMixed

100

a^4 - 3a^2b^2 - 10b^4

(a^2 + 2b^2) (a^2 - 5b^2)

200

5x^4 - 17x^2 + 6 

(5x^2 - 2) (x^2 - 3)

300

16n^3 - 14n^2 - 24n + 21

(2n^2 - 3) (8n - 7)

400

35n^3 - 20n^2 + 105n - 60

5 (n^2 + 3) (7n - 4)

500

m^4 - 6m^2 + 8

(m - 2) (m + 2) (m^2 - 2)

Solving Quadratics(already =0)

100

(6n + 5) (n + 3) = 0

{[ -5 / 6 ], [ -3 ]}

200

b^2 + 8b + 7 = 0

{[ -7 ], [ -1 ]}

300

7p^2 + 45p - 28 = 0

{[ 4 / 7 ], [ -7 ]}

400

3n^2 + 13n - 30 = 0

{[ 5 / 3 ], [ -6 ]}

500

7v^2 + 35v + 42 = 0

{[ -3 ], [ -2 ]}

Solve Quadratics

100

v^2 + 6v - 21 = -5

{[ -8 ], [ 2 ]}

200

k^2 = -k + 12

{[ 3 ], [ -4 ]}

300

3x^2 + 19x - 33 = 7

{[ 5 / 3 ], [ -8 ]}

400

3a^2 = 7 - 4a

{[ -7 / 3 ], [ 1 ]}

500

7x^2 + 38x - 19 = 5

{[ 4 / 7 ], [ -6 ]}