Intro Math (Factoring)

Question 1

Factor x^2 - 16.

Answer 1

(x+4)(x-4) difference of squares

Question 2

Factor 3y -9

Answer 2

3(y -3) general factoring (common letter or number)

Question 3

Factor x^2 - 25

Answer 3

(x+5)(x-5) difference of squares

Question 4

Factor x^2 - 81

Answer 4

(x+9)(x-9) difference of squares

Question 5

Factor 6y - 10

Answer 5

2(3y -5) general factoring (common letter or number)

Question 6

Factor 4x^2 - 64

Answer 6

(2x-8)(2x+8) difference of squares

Question 7

Factor x^2 - 2x

Answer 7

x(x- 2) general factoring (common letter or number)

Question 8

Factor 5y^2 -10y

Answer 8

5y(y - 2) general factoring (common letter or number)

Question 9

Factor 10y - 20

Answer 9

10 (y - 2) general factoring (common letter or number)

Question 10

Factor 9x^2 - 36y^2

Answer 10

(3x + 6y) (3x - 6y) difference of squares

Question 11

Factor 4x - 16

Answer 11

4(x-4) general factoring (common letter or number)

Question 12

Factor 100y^2 - 49

Answer 12

(10y + 7)(10y - 7) difference of squares

Question 13

Factor x^2 - 10x

Answer 13

x(x - 10) general factoring (common letter or number)

Question 14

Factor 7y - 14

Answer 14

7(y - 2) general factoring (common letter or number

Question 15

Factor 6y - 9

Answer 15

3 (2y- 3) general factoring (common letter or number)

Question 16

Factor 8y^2 - 12

Answer 16

4 (2y^2 - 3) general factoring (common letter or number)