Algebraic Expressions Simplification Exponent

Simplify the following equation:

x - y - z + 4 - x + 2z - y - 3

• -2y + z +1

• -2y - z + 1

• -2x - 2y + z + 1

• -2x - 2y - z + 1

A polynomial is an expression consisting of

• Variables and constants only

• Variables, constants, and exponents

• Variables, constants, and radicals

• Variables, constants, and logarithms

According to the zero exponent rule, any nonzero number raised to the power of 0 is equal to:

• 0

• 1

• -1

• The original number

According to the negative exponent rule, a nonzero number raised to a negative exponent is equal to:

• The reciprocal of that number raised to the positive exponent

• The square of that number

• Zero

• Undefined

• Subtract

• Add

• Multiply

• Divide

• Add

• Subtract

• Multiply

• Divide

When simplifying a rational expression, what do you look for to factor out common terms in the numerator and denominator?

• Least common multiples

• Common factors

• The largest coefficient

• Square roots

What is the process of making a rational algebraic expression simpler by eliminating common terms in the numerator and denominator called?    

• Expansion

• Simplification

• Fractionation

• None of the above