- x^2 - 15x + 54 = 0 Solve the following quadratic equation by factorization.…
- x^2 + x - 20 = 0 Solve the following quadratic equation by factorization.…
- Solve the following quadratic equation by factorization. 2y^2 + 27y + 13 = 0…
- 5m^2 = 22m + 15 Solve the following quadratic equation by factorization.…
- 2x^2 - 2x + 1/2 = 0 Solve the following quadratic equation by factorization.…
- 6x - 2/x = 1 Solve the following quadratic equation by factorization.…
- root 2x^2 + 7x+5 root 2 = 0 to solve this quadratic equation by factorization,…
- 3x^2 - 2 root 6x+2 = 0 Solve the following quadratic equation by factorization.…
- 2m (m-24) = 50 Solve the following quadratic equation by factorization.…
- 25m^2 = 9 Solve the following quadratic equation by factorization.…
- 7m^2 = 21m Solve the following quadratic equation by factorization.…
- m^2 - 11 = 0 Solve the following quadratic equation by factorization.…

###### Practice Set 2.2

Question 1.Solve the following quadratic equation by factorization.

x2 – 15x + 54 = 0

Answer:

⇒

⇒

⇒

Hence, are roots of the equation.

Question 2.

Solve the following quadratic equation by factorization.

x2 + x – 20 = 0

Answer:

⇒

⇒

⇒

Hence, are roots of the equation.

Question 3.

Solve the following quadratic equation by factorization.

2y2 + 27y + 13 = 0

Answer:

⇒ = 0

⇒

⇒ (2y + 1) (y + 13) = 0

13

Hence, are roots of the equation.

Question 4.

Solve the following quadratic equation by factorization.

5m2 = 22m + 15

Answer:

⇒

⇒

⇒

⇒

∴ Hence, are roots of the equation.

Question 5.

Solve the following quadratic equation by factorization.

Answer:

⇒

⇒

Question 6.

Solve the following quadratic equation by factorization.

Answer:

⇒

⇒

Hence, are roots of the equation.

Question 7.

Solve the following quadratic equation by factorization.

to solve this quadratic equation by factorization, complete the following activity.

Answer:

∴

Question 8.

Solve the following quadratic equation by factorization.

Answer:

⇒

⇒

⇒

⇒

Question 9.

Solve the following quadratic equation by factorization.

2m (m-24) = 50

Answer:

⇒

⇒

⇒

⇒

⇒

Hence, are roots of the equation.

Question 10.

Solve the following quadratic equation by factorization.

25m2 = 9

Answer:

⇒

⇒

⇒

Hence, are roots of the equation.

Question 11.

Solve the following quadratic equation by factorization.

7m2 = 21m

Answer:

⇒

⇒

⇒

Hence, are roots of the equation.

Question 12.

Solve the following quadratic equation by factorization.

m2 - 11 = 0

Answer:

⇒

⇒

⇒

Hence , m = ±11 are roots of the equation.