Solve the following quadratic function
by utilizing the square root method.
y = 100 – x2

x = ± 10

Step-by-step explanation:

To solve the equation let y = 0 , that is

0 = 100 - x²( add x² to both sides )

x² = 100 (I take the square root of both sides )

x = ± = ± 10

Then solution is x = - 10, x = 10

each side has a different length.  

step-by-step explanation:

6 hours 48 min

step-by-step explanation:

68÷5=13.6

13.6×30=408min=6 hours 48 min.

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