**How do I convert the equation #f(x)=x^2-8x+15# to vertex form?**

From the available data you can calculate Z in ohm (Z in ohm = Z in p.u x KV 2 /MVA). KV is the line voltage. To divide Z into R and X more information are required, or follow the assumption of Q... To work out a root, you work backwards from the answer to get the base number (or root so 2 3 would need to be input as 2 x 2 x 2. If you have a scientific calculator - ie. one with keys including sin, cos, tan - you will be able to put powers in as they are written. Because numbers to the power of 2 (ie squared) are the most commonly used it is likely that there will be a key that deals

**Powers and Root University of Liverpool**

To convert this equation into vertex form, you want to use a method called completing the square. I will walk you through the steps to do this: First, group the first two terms together in brackets for now, and common factor the coefficient beside x^2 out if necessary. There isn't a coefficient there so this is not necessary. f(x)=(x^2−8x)+15... 29/07/2010 · Best Answer: -2(x-2)>3(x-2) 1. multiply out brackets so -2(x-2) becomes -2x+4 and 3(x-2) becomes 3x-6 2. Now move all the x's on one side so we now have 4+6>3x+2x 3. this equals 10>5x 4.finally divide by 5x: 2>x You could have moved the x's to either side as x<2 is …

**(6x+7)/2 + (3x-4)/4 =5 -- How to work out x? Yahoo Answers**

Thus, we say that x 2 is "x raised to the power of two" or equivalently "x squared" (which is x mulitplied by itself). In fact, if we multiply the variable x by itself a number of times (say n - times) we get: x n . how to set up nbn optus 6/09/2018 · If we convert these ratios to their fraction forms, we get 2/5 and x/20. If you cross multiply, you are left with 5x=40, and you can solve by dividing both figures by 5. The final solution is x=8. If you cross multiply, you are left with 5x=40, and you can solve by dividing both figures by 5.

**Work out the values of a and b from the identity $x^2 ax**

Step 2: cover the rest of the base of the box - that would give a total of 100 rows each with 100 sugar cubes. 100 x 100 = 10,000 sugar cubes at the bottom of the big box. Step 3: Repeat this 99 times until there are layers of 10,000 cubes stacked 100 deep. 10,000 x 100 = 1,000,000 sugar cubes how to talk to your crush without being awkward 15/08/2014 · Since y is directly proportional to x then the formula will take the shape of y = kx^2. You then need to substitute the values of x and y into this formula so you can work out the value of k. This

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### Help with hyperbolic functions cosh(arcsinh(x/2

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## How To Work Out X 2 X

29/07/2010 · Best Answer: -2(x-2)>3(x-2) 1. multiply out brackets so -2(x-2) becomes -2x+4 and 3(x-2) becomes 3x-6 2. Now move all the x's on one side so we now have 4+6>3x+2x 3. this equals 10>5x 4.finally divide by 5x: 2>x You could have moved the x's to either side as x<2 is …

- From the available data you can calculate Z in ohm (Z in ohm = Z in p.u x KV 2 /MVA). KV is the line voltage. To divide Z into R and X more information are required, or follow the assumption of Q
- Var(X) = E(X 2) – m 2 The standard deviation of X is the square root of Var(X). Note that the variance does not behave in the same way as expectation when we …
- 5(2x-1) = 3(2x+5) Times everything in the brackets by the number on the left to it. 10x-5 = 6x+15. Now we need to put all the values together so an x is equal to a number.
- x 2/3 should be typed like x^(2/3). With more complicated fractions you have to use parenthesis. For example if you typed x^2+1/x-5 , you might think this means "the quantity 'x-squared plus 1' over the quantity 'x minus 5'."