A function is an equation (a relation) which has only one y-value for every x-value. If a single x-value has more than one y-value, the equation is no longer called a function.
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To identify the slope in a linear equation, rearrange the equation into the form y = mx + b. The term m is the slope.
We will be able to identify the answer if we have the equation. We can only check on the coordinates from the given vertex.
by synthetic division and quadratic equation
Where the equation is ax2 + bx + c the roots are given by the solutions to : (-b +/- sqrt(b2 - 4ac))/2a
No a linear equation are not the same as a linear function. The linear function is written as Ax+By=C. The linear equation is f{x}=m+b.