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Q: Which expression represents the algebraic phrase the sum of negative three-eighths and four times x minus nine times z?

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It would be -2 - x .

An expression is non polynomial if it has : negative exponent fractional exponent variable exponent in the radicand

x+(-8)This simplifies to x-8

2(-6n)

It is 8*(-4)N which is -32N

y=4*(-8*x)

It means that the term for which 3 is the coefficient is meant to be subtracted.

x is non negative and x is not greater than 0

Each term in an algebraic expression is separated by plus & minus 5x + 4 = 12x has two different terms (5x, 4). Good answer. Actually the equation has three terms, 5x, 4 and 12x.

1.3333

-15 ----- n (-15 over a variable)

Constants (numbers), variables, the four basic operations of arithmetic (+, -, *, /) as well as brackets and indices (including negative and fractional ones).

A factor is a number or algebraic expression by which another is exactly divisible. A positive factor is a factor that is a positive number as opposed to a negative one.

Yes, black represents negative and red represents positive.

The expression "-b".

true

positive, negative, undefined slopes

A polynomial is really an algebraic expression that consists of two or more monomials. A monomial is a number, a variable, or a product of a number with non-negative exponents. Some examples of polynomials are: 2x+3y-1;3bc+7cd-y;7mny-my+n To be exact, polynomials is any expression with the lowest power of unknown as 0 or more. 6z+5, 5x4+9x-1 are some examples of polynomials. However, if the unknown is in the denominator, it is not a polynomial. Also, if the expression has a negative power like 3-2, it will become a fraction when you remove the negative sign (3-2 = 1/32).-42 is a polynomial because it is also -42x0 except that people do not need to write the x0 since x0 = 1 and when you multiply -42x0, it still ends up becoming -42.

Negative 16 would represent 16 kilometres in the opposite direction.

If you are implying the expression can only have two terms than any expression where the second subtracted negative term is larger than the first negative term would work to give you a negative answer. e.g. (-4) - (-1) = -3, (-10) - (-3) = -7, (-412) - (-15) = -397, etc.

It is an algebraic equation.

Sure, why not?

[1/(1+Ab)] is the expression for sensitivity...

The equivalent expression of 10x-11x is -x, or negative x.

Double verticle lines surrounding an expression means to take the absolute value of the expression. The absolute value of an expression is the expression if it is positive, and the negative of the expression if it is negative, i.e. the unsigned distance from zero. Analytically, in order to process the expression, the absolute value of an expression is also the square root of the square of the expression.