Evaluate the radical expression − ( 40 ) 2 - ( \sqrt { 40 } ) ^ { 2 } − ( 40 ) 2 without using a calculator. If not possible, state the reason.A) -40B) 1600C) -1600D) 40E) not a real number

Question

Evaluate the radical expression   − ( 40 )  2 - ( \sqrt { 40 } )  ^ { 2 } − ( 40 ​ )  2   without using a calculator. If not possible, state the reason.A)  -40B)  1600C)  -1600D)  40E) not a real number

Kiran Ahsan · Accepted Answer

Final Answer : A, Explanation :  Squaring the square root of 40 simplifies to 40, and the negative sign outside the parentheses makes the final answer -40.

Evaluate the radical expression $\sqrt { 40 } ) ^ { 2 }$ without using a calculator. If not possible, state the reason.

A) -40
B) 1600
C) -1600
D) 40
E) not a real number

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Learning Objectives

Related questions

Evaluate the radical expression −(40) 2- ( \sqrt { 40 } ) ^ { 2 }−(40​) 2 without using a calculator. If not possible, state the reason.A) -40B) 1600C) -1600D) 40E) not a real number

Definitions

Learning Objectives

Learning Objectives

Related questions

Evaluate the radical expression $\sqrt { 40 } ) ^ { 2 }$ without using a calculator. If not possible, state the reason.

A) -40
B) 1600
C) -1600
D) 40
E) not a real number