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To determine if a coefficient in an equation is closest to zero, you can compare the absolute values of the coefficients in the equation. Identify the coefficient with the smallest absolute value, as this will indicate the one closest to zero. You can also visualize the coefficients on a number line or use a numerical approach to calculate their distances from zero for clearer comparison.
It is an expression with one variable, which is a linear combination of integral powers of that variable.In simpler words, a polynomial in a variable x consists of a sum of a number of terms of the form axn where a is a number, called the coefficient and n is a positive integer.
An expression is quadratic is the equation is in the form ax2 + bx + c. a, b, and c are all constants. They may be different or equal.
You answered your own question?
Tell whether the equation -4x+ 2y = -2 represents a direct variation. If so, identify the constant of variation.