# Math 1050

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 Author: Nayja ID: 171041 Filename: Math 1050 Updated: 2012-09-15 14:47:36 Tags: Definitions terms Folders: Description: Math 1050 1.8 review for test 9/19/2012 Show Answers:

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1. What is a constant?

a number that stands alone
2. What is an algebraic expression?

Give an example
Combination of variables, constants, grouping symbols and mathematical operations.

addition, subtraction, multiplication, division, and exponents.
3. How do you evaluate an Algebraic expression?

Give an example
Substitute with a # for each var
4. What is a number?

Give an example
Something(#,Var, product of constant) raised to a power.

5. Whats a coefficient?

Give an example
Coefficient of a term is the numeral factor of the term (# n front of var)

• Coefficient of 14=14
6. Whats a like term?

Give an example of one that is and is not a like term
Like term: Term with the same var and exponent
7. Distributive Property

If a, b, and c are real numbers then

Give an example
• a(b+c)=a x b + a x c
8. How do you simplify an Algebraic expression

Give an example
• 1. remove ( ) using distributive property
• 2. Combine like terms
9. What is Algebra?
letters/symbols rep #'s quantities in equations

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