maddymcg408
Answered

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10. PLEASE HELP ME
Solve the equation using square roots.

–x2 + 16 = 0

A. ±4

B. 4

C. ±16

D. no real number solutions

Sagot :

kcsushrika99

Answer:

Option A

Step-by-step explanation:

–x2 + 16 = 0

x2=16

x=root16

x=±4

lalamcg115

Answer:

A. ±4

Step-by-step explanation:

-x² +16 = 0

x² - 16 = 0

x² = 16

x = ±√16

x = ±4

Answer: A ; ±4

The correct option is

(A)  ±4

Step-by-step explanation:  We are given to solve the following quadratic equation using the method of square roots :

In square root method, we should take x² term on one side and the constant the on other side of the equation Then, we should take the square roots.

From equation (i), we have

Thus, the required solution of the given equation is x =  ±4.

Option (A) is CORRECT.

View image lalamcg115
View image lalamcg115
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