Evaluating Algebraic Expressions 2
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Part of video series
Lesson Description:
Part 2 - includes replacing variables with negative numbers, using order of operations, and simplifying.
More free YouTube videos by Julie Harland are organized at http://yourmathgal.com
Questions answered by this video:
- How do you evaluate Algebraic expressions with negative numbers in them?
- What does it mean to evaluate an expression?
- How do you evaluate a^2 - (b + c) if a = -2, b = -3, and c = -1?
- How do you know what order to evaluate an expression?
- How do you substitute numbers into variables to simplify expressions?
- What does b^2 - 5b + 11 equal if b = -3?
- How do you square a negative number?
- How do you evaluate (b + c)/a + (b + 1)^2 if a = -2, b = -3, and c = -1?
- How do you evaluate and simplify 3c^3/(b + 3) if b=-3 and c=-1?
- What does -3/0 equal?
- What does 2a^3 - 5b^2 + 6c^8 equal if a = -2, b = -3, and c = -1?
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Staff Review
This lesson is very similar to part 1, but the expressions are slightly more complicated, and negative values of variables are used. Each part of each problem is explained very clearly and in detail. This is a great beginning Algebra tutorial.
