Q: Which two square roots are used to estimate the square root of 42?

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Square root 64 and square root 81

The square root of 36 and the square root of 49.

Square root of 64 and square root of 81, perhaps.

The square root of eight is in between the square root of 7 and the square root of 9, which equals 3.

+6.5 and -6.5, possibly.

The two square roots used are 2 and 3, since 2 and 3 squared are 4 and 9, respectively. Since 5 is between 4 and 9, we can deduce that the square root of 5 is between 2 and 3.

The answer is 2i. When dealing with negative square roots, the expression i is used to represent the square root of -1.

The answer is 2i. When dealing with negative square roots, the expression i is used to represent the square root of -1.

If you have a square root of a number, that means that your "square root" squared (multiplied by itself) will give you your original number. For example: * The square root of 4 is 2. * 2 x 2 is 4.

This is related to the technique used to eliminate square roots from the denominator. If, for example, the denominator is 4 + root(3), you multiply both numerator and denominator by 4 - root(3). In this case, "4 - root(3)" is said to be the "conjugate" of "4 + root(3)". When doing this, there will be no more square roots in the denominator - but of course, you'll instead have a square root in the numerator.

If it asks for the opposites, then add a negative.

There are no explicit symbols. The non-negative square toot is called the principal square root.

Roots are the part of the plant below ground that provide anchorage and transfer nutrients to the plant. In mathematics, roots are the solutions to a polynomial function that equals zero. The word 'Root' is also be used as an abbreviation for "square root", for example √100 is often read as "root one hundred."

The root There is some confusion on the questioner's part. A root is a root. Numbers have many roots: The square root of 64 is 8 since 8 squared is 64: 8² = 8 × 8 = 64 The cube root of 64 is 4 since 4 cubed is 64: 4³ = 4 × 4 × 4 = 64 The square root of a number x is sometimes called "radical x" because x appear after the radical (or square root) symbol: √x As square roots are used a lot, it is also often abbreviated from "square root" to just "root", for example √2 can be read as "root 2" though to be strictly correct it is "square root of 2". Roots also refer to solutions to equations (linear, quadratics, cubics, or higher polynomials) where they equal 0, for example x = -3 and x = 2 are the roots of the equation x² + x - 6 = 0; x = -2, x = 1 and x = 4 are the roots of x³ - 3x² - 6x + 8 = 0.

Imaginary numbers are only ever used when you are using the square roots of negative numbers. The square root of -1 is i. You may find imaginary numbers when you are finding roots of equations.

No, pi is not used to solve a square root problem.

It means to estimate a function value, based on nearby values.For example: let's assume you know that root(20) = 4.4721 (i.e., the square root of 20), and root(21) = 4.5826. If you want the root of 20.5, you can estimate this to be the average of these two, or about 4.5274. This assumes that in the graph of square roots, drawing a straight line between the two extremes is a good approximation. In this example, the exact value (rounded to four decimals) is 4.5277. Note: The term "interpolation" is used if you estimate a value BETWEEN two given values; if you use similar methods to estimate a value OUTSIDE the two given values, the term "extrapolation" is used instead.

A radical is the sign âˆš which is used to indicate that a root must be calculated. The full format is nâˆš which indicates that it is the nth root that is required. For square roots the prefix is usually excluded. [As a result many people wrongly assume that the radical sign refers only to square roots.]

sqrt is often used to abbreviate square root.

That is called "rationalizing the denominator". It consists of multiplying the numerator and the denominator by specific terms, which include square roots. Examples:* If the denominator is root(2) (that is, the square root of 2), multiply numerator and denominator by root(2). * If the denominator is root(2) + root(3), multiply numerator and denominator by root(2) - root(3).

There are NO Roots in theingredients in RootBeer. That's a name, it doesn't mean there's roots used in t. Actually, Root Beer was originally made from a variety of roots, one of which was the sassafras root. It is commonly made without roots now although you can find real root beer made from real roots at some health food stores.

a+ square root of b has a conjugate a- square root of b and this is used rationalize the denominator when it contains a square root. If we want to multiply 5 x square root of 10 by something to get rid of the radical you can multiply it by square root of 10. But if we look at 5x( square root of 10 as ) 0+ 5x square root of 10 then the conjugate would be -5x square root of 10

The square root of the number 31 is irrational. This is used in math.

The square root spiral, as such, does not exist in the natural world.

Square rootsTo find the square root of a number, you want to find some number that when multiplied by itself gives you the original number. In other words, to find the square root of 25, you want to find the number that when multiplied by itself gives you 25. The square root of 25, then, is 5. The symbol for the square root is . Following is a partial list of perfect (whole number) square roots.Note: If no sign (or a positive sign) is placed in front of the square root, the positive answer is required. No sign means that a positive is understood. Only if a negative sign is in front of the square root is the negative answer required.A fraction, or fractional number, is used to represent a part of a whole. Fractions consist of two numbers: a numerator (which is above the line) and a denominator(which is below the line).So to work out the square root of a fraction you find the square root of the numerator and put it above the square root of the denominator.

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