Principal Square Roots

Related BrainMass Solutions

• When do I need absolute values when simplifying nth roots?

  625590 When do I need absolute values when simplifying nth roots? This question arises typically when dealing with the principal square root which is the full name of the function involving the radical.

• When do I need absolute value when simplifying nth roots?

  When do I need absolute values when simplifying nth roots? This question arises typically when dealing with the principal square root which is the full name of the function involving the radical √x.

• Solving Equations

  We take square roots on both sides, we can have y=sqrt(30) or y=-sqrt(30) where sqrt(30) is the principal square root of 30. An equation is solved for real numbers.

• Algebra - Radical Equations and Squaring Both Sides

  This happens because the square root of a positive number can be either positive or negative. Here, sqrt 9 can take the values 3 or -3, but the positive square root 3 is always taken as the principal square root of the number.

• Rational and radical expressions

  Find the square roots of 4900 What is the principal square root of 4900? 2. Find the square root that is real number 3. Find each function value, if it exists. f (t)= f (o)= 4. Find the following.

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  Now, according to the formula, Interest = Principal * Rate * Time - for the first year, we have Principal= $8000 So, Interest in first year = 8000*r *1 = 8000r Thus, the amount after end of 1st year = Principal + Interest = 8000 + 8000r

• Sum of Complex square roots of -16

  The problem is finding the sum of the complex square roots of -16. Solution. There are ONLY two complex square roots of -16: -4i and +4i. Hence, the sum of them is (-4i)+4i=0. The expert examines the sum of complex square roots of 16.

• Quadratic formula and Completing the square.

  Following can be the 3 scenarios on the basis of the value of D - D = 0, then both roots are the same (i.e. the quadratic equation is a perfect square). D > 0, then we will have two different real roots.

• Value of a Discriminant Equation

  Ans D: wiil give you real and irrational roots because you can'exactly calculate the square root of 76 but it's square root will be real value. The value of a discriminant equation is determined. The irrational roots and imaginary roots are given.