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MARKVILYARIN
Answered

Solve the following Quadratic Equations by extracting the square root.​

Solve The Following Quadratic Equations By Extracting The Square Root class=

Sagot :

STARTALAIN

Answer:

1. x²=121

√x²=√121

x=11

2. x²-169=0

x²=169

√x²=√169

x=13

3. 2x²=98

2x²/2=98/2

x²=49

√x²=√49

x=7

4. x²-20=0

x²=20

√x²=√20

x=4.47

5. x²+15=79

x²=79-15

x²=64

√x²=√64

x=8

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