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How to solve polynomials

First of all let's start with a lttle explanationn of waht a polynomial is. A polynomial is a function of x denoted f(x) which is defined as f(x)=a 0 +a 1 x+. . .+a n x n which in other words is a sum of x's...
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Answered by Piotr W. Maths tutor
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Solve these simultaneous equations: y=3x-10; y=2x+5

Method 1 (algebraically): Since we have "y=" at the start of both equations, we can substitue one into the other to get 3x-10=2x+5 Then we want all the x terms on one side of the equation, and all ...
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Answered by Catherine W. Maths tutor
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How would I solve y=3x, 2x+y=5 using the substitiution method?

y=3x (1) 2x+y = 5 (2) Here we are being asked to find what the value of x and y is. It is asking us to substitute either x or y into the equation to help us find our solution. Now substitue means remove some...
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Answered by Samantha J. Maths tutor
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What is a nephron?

Nephrons are units of the kidney which are specially adapted for filtration and reabsorption of substances in the blood. Each nephron is composed of different various parts which have specific roles. These p...
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Answered by Laetitia H. Biology tutor
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Explore how Frost presents decisions in ‘The Road Not Taken’.

“ The Road Not Taken” is often considered Robert Frost’s most popular work. The poem revolves around the concept of decisions and internal conflict, and these tropes are presented by Frost in a variety of wa...
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