Solve. x² + 20x + 100 = 50 a)x=−10±52√ b)x=50±252√ c) x=10±52√ d)x=50±52√

x = −10 ± 5√2

Solve. x²+ 20x + 100 = 50

Subtracting 50 from both sides

To solve the quadratic equation, let us use quadratic formula

For, ,

So, a=1, b=20, c=50

So, we get,

x=

Option(a) Answer

So, x=-10+5

or, x=-10-5

according to this law, when unemployment goes up by 1%, gdp drops by 2%. in the question, unemployment rate goes from 2% to 5%, meaning unemployment goes up by 3%, so the gdp drops by 6%. thus the effect is a drop in gdp by 6%.

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