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Square root 2a

Updated: 4/28/2022
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Whether or not the expression can be simplified depends on the value of a. In general, sqrt(2a) = sqrt(2)*sqrt(a).

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What is the quadraic formula?

-b + or - the square root of b squared - 4ac over/divided by 2a


What is the Simplify by factoring assume all expressions under radical are nonnegative Square root of 20a2b?

√20a2b = √4a2 * √5b = 2a√5b the answer is 2a times radical 5b.


Where did the quadratic formula come from?

The quadratic formula originated from the concept of completing the square. let's take ax2 + bx + c = 0. To complete the square, solve for x. Subtract c. ax2 + bx = -c. Then divide by a [notice- if there is no a value, then a=1]. x2 + bx/a = -c/a. Add (b/2a)2 to both sides. x2 + bx/a + b2/4a2 = -c/a + b2/4a2 Factor/Reformat. (x + b/2a)2 = (b2-4ac) / 4a2 (x + b/2a)2 = [(b2-4ac) / 2a]2 Square-root both sides. x + b/2a = ± √(b2-4ac) / 2a Subtract b/2a. x = -b/2a ± √(b2-4ac) / 2a Combine terms. x = [-b ± √(b2-4ac)] / 2a


Give example of a quadratic equations?

X2+5x-6. a=1, b=5, and c=-6 The formula is: -b plus or minus the square root of b squared minus 4ac all over 2a. -b+square root of b2-4ac ---- 2a -5 plus or minus the square root of 5 squared minus 4(1)(-6) -5 plus or minus the square root of 25-4(-6) -5 plus or minus the square root of 25+24 -5 plus or minus the square root of 49 -5 plus or minus 7 Here is where you split into two different answers: Number 1: -5 plus 7= 2 Number 2: -5 minus 7= -12 Your answer is X=2, -12


What is the square root of pizza?

pie actually its quite simple... you take the thickness of the crust which is a then you take the side of the slice and double it which is z to the second (z^2) then you take the entire pizza and make it pi the slice's angle from the tip to the crust will be V when you have figured this out it becomes this V=piz^2a (slice=pizza)

Related questions

What is the quadraic formula?

-b + or - the square root of b squared - 4ac over/divided by 2a


What is the quadratic formula of algebra?

(−b±√b2−4ac)÷2a the square root of b2−4ac entirely.


What is the Simplify by factoring assume all expressions under radical are nonnegative Square root of 20a2b?

√20a2b = √4a2 * √5b = 2a√5b the answer is 2a times radical 5b.


What is the simplest form of the square root of 40 times a to the sixth?

sqrt(40a^6) = 2a^3*sqrt(10)


What are the solutions to the quadratic formula?

The quadratic formula is x=-b (+or-) square root of b2-4ac all over 2a


How do you find the principal square root of a monomial?

Say the monomial is 4a squared. To find the square root to must do each part seperately. So square root of 4 is 2 and the square root of a-squared is |a| because we do not know the sign of a. The answer is 2|a|. If there is anything that cannot be "square rooted" then it would stay under a square root sign and just multiply by 2a as well. The principal root of a number is only its positive root (you can understand that you are looking for the principal root from the sign in front of the radical, which is a positive one)


If RA equals 2a cm What is the area of square YRAM?

One side of the square, RA, is 2a cm. So the area of the square is (2a)2 = 4a2 cm2


What is a discriminant and how does help to solve equations?

In the quadratic formula, the discriminant is b2-4ac. If the discriminant is positive, the equation has two real solutions. If it equals zero, the equation has one real solution. If the discriminant is negative, it has two imaginary solutions. This is because you find the square root of the discriminant and add or subtract it from -b and divide the sum or difference by 2a. If the square root is of a positive number, then you get two different solutions, one from adding the discriminant to -b and one from subtracting the discriminant from -b. If the square root is of zero, then it equals zero, and the solution is -b/2a. If the square root is of a negative number, then you have two imaginary solutions because you can't take the square root of a negative number and get a real number. One solution is from subtracting the discriminant from -b and dividing by 2a, and the other is from adding it to -b and dividing by 2a. The parabola on the left has a positive discriminant. The parabola in the middle has a discriminant of zero. The parabola on the right has a negative discriminant.


What is a if the square root of 4a squared equals 21?

sqrt(4a2) = 21plus or minus (2a) = 21plus or minus (a) = 10.5a = +10.5a = -10.5


Where did the quadratic formula come from?

The quadratic formula originated from the concept of completing the square. let's take ax2 + bx + c = 0. To complete the square, solve for x. Subtract c. ax2 + bx = -c. Then divide by a [notice- if there is no a value, then a=1]. x2 + bx/a = -c/a. Add (b/2a)2 to both sides. x2 + bx/a + b2/4a2 = -c/a + b2/4a2 Factor/Reformat. (x + b/2a)2 = (b2-4ac) / 4a2 (x + b/2a)2 = [(b2-4ac) / 2a]2 Square-root both sides. x + b/2a = ± √(b2-4ac) / 2a Subtract b/2a. x = -b/2a ± √(b2-4ac) / 2a Combine terms. x = [-b ± √(b2-4ac)] / 2a


Where did the quadratic equation come from?

The quadratic formula originated from the concept of completing the square. let's take ax2 + bx + c = 0. To complete the square, solve for x. Subtract c. ax2 + bx = -c. Then divide by a [notice- if there is no a value, then a=1]. x2 + bx/a = -c/a. Add (b/2a)2 to both sides. x2 + bx/a + b2/4a2 = -c/a + b2/4a2 Factor/Reformat. (x + b/2a)2 = (b2-4ac) / 4a2 (x + b/2a)2 = [(b2-4ac) / 2a]2 Square-root both sides. x + b/2a = ± √(b2-4ac) / 2a Subtract b/2a. x = -b/2a ± √(b2-4ac) / 2a Combine terms. x = [-b ± √(b2-4ac)] / 2a


What are the terms of a quadratic equation?

x equals negative b plus or minus the square root of b squared minus 4bc over 2a