👤
Reymarkpanizales30go
Answered

V- Use square root method to solve each equation 1. x2 = 4 2. 3x2 = 243 3. (x+ 1) = 36 4. 10x2 - 70 = 0 5. (x+2) = 81​

Sagot :

Ulepismaeldeleongo

Answer:

1. x² = 4

√(x²)=√4

x=2

2. 3x² = 243

3x²/3 = 243/3

x²= 81

√x²= √81

x= 9

3. (x+ 1)²= 36

(x+ 1)²= 36

x+1= 6

x= 6–1

x= 5

4. 10x² - 70 = 0

10x² =70

10x²/10=70/10

x²= 7

√x²= √7

x= √7

5. (x+2)² = 81

√(x+2)² = √81

x+2= 9

x= 9–2

x= 7

Hope it helps, pabrainly

Go Training: Other Questions