The solution is the answer to an equation.
In a periodic equation a triangle can be used to represent the given change of something.
Without an equality sign the information given does not represent an equation.
Nothing. There is no l in the equation.
You just have to follow the rule of quadratic functions. Example y = mx+b is the rule for linear functions. ax^2+bx+c is the rule of quadratic equation.
The solution is the answer to an equation.
You cannot represent a proportional relationship using an equation.
In a periodic equation a triangle can be used to represent the given change of something.
Without an equality sign the information given does not represent an equation.
Coefficients in a chemical equation represent the number of units of the formula immediately following the coefficient that are involved in the balanced equation for the reaction.
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b is the negative sum of the roots of the equation
Nothing. There is no l in the equation.
The (unknown) x (I suppose that's what you mean) is a variable. It's commonly used to represent any number. For example if you have the equation 3x+2=5, x represents the number which will verify the equation. x can be used with equations, functions etc.
You just have to follow the rule of quadratic functions. Example y = mx+b is the rule for linear functions. ax^2+bx+c is the rule of quadratic equation.
The equation x=c where c is a constant is the equation of a vertical line. It can't be a function but it is linear so the answer is no. For example, the vertical line produced by the linear equation x = 3 does not represent a function. We cannot write this equation so that y is a function of x because the only x-value is 3 and this "maps" to every real-number y.
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