- 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.
