Answer:
2
Step-by-step explanation:
step 1: the square root of a number is 4. find the number
step 2 : let x = the number
step 3: • write the equation
x^2 = 4
• apply roots both side to remove the exponent of x
___ __
/ x^2 = / 4
x = 2
• the number is 2
step 4: check
(2)^2 = 4
2 × 2 =4
4 = 4
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Answers & Comments
Answer:
2
Step-by-step explanation:
step 1: the square root of a number is 4. find the number
step 2 : let x = the number
step 3: • write the equation
x^2 = 4
• apply roots both side to remove the exponent of x
___ __
/ x^2 = / 4
x = 2
• the number is 2
step 4: check
x^2 = 4
(2)^2 = 4
2 × 2 =4
4 = 4