Type the correct answer in the box. Use numerals instead of words. Consider this expression. Vas – 7+ 161 When a = 2 and b = -4, the value of the expression is

Correct Question:

Type the correct answer in the box. Use numerals instead of words. Consider this expression. When a = 2 and b = -4, the value of the expression is

Step-by-step explanation:

Given

Required

Determine

To solve this, we simply substitute the values of a in the given expression

Express 2² as 4

Express square root of 4 as 2

So, we have

Hence, the result of the expression is -1

step-by-step explanation: