Which number line shows 2 + (-5)?
1 answer:
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The rationalized expression in general term is given by: (-8 -4√2) / 3
<h3>What is rationalization?</h3>Rationalization is a mathematical operation that allows us to determine or eliminate a root of the denominator of a fraction, so that it can be expressed in linear form, either decimal or integer, by the product of a root.
As defined above, we must perform a mathematical operation to eliminate the root of the denominator without altering the value.
(8√2 / 6-3√8 ) Multiply by ( 6+3√8)/( 6+3√8)
(8√2 / 6-3√8 )( 6+3√8)/( 6+3√8)
8√2(6+3√8) / (6-3√8)² Expand the denominator using the FOIL method.
8√2(6+3√8) / (36 - 18√8 + 18√8 - 72)
8√2(6+3√8) / -36
48√2 + 24√2√8 / -36 ::::. √8 = 2√2
48√2 + 96 / -36
-12(4√2 + 8) / 12x3
(-8 -4√2) / 3 is the result.
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The quadratic equation in standard form is:
<h3>How to convert from vertex form to standard?</h3>
Here we have the quadratic equation:
Here we need to expand the right side, remember:
Using that, we get:
This is the quadratic equation in standard form.
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