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Algebraic Expressions

Algebraic Expressions

Evaluating Expressions by Substitution Exercises

Example 1

Evaluate 3x + 4 for x = - 2

Example 2

Evaluate  for x = 10.

Example 3

Evaluate 4x2 for x = - 1.

Example 4

Evaluate 5y - 3y2 for y = - 2.

Example 5

Evaluate z3 - 18 + z for z = - 2.

Example 6

Evaluate 4xyz + x + y - z for x = 2, y = 3, and z = 5.

Example 7

Evaluate b2 - 4ac for a = 1, b = 3 and c = - 2.

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