# Evaluate Algebraic Expressions by Substitution Worksheet

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Objective: I know how to evaluate algebraic expressions by substitution.

Fill in all the gaps, then press "Check" to check your answers. Use the "Hint" button to get a free letter if an answer is giving you trouble. You can also click on the "[?]" button to get a clue. Note that you will lose points if you ask for hints or clues!
Given a = 3, b = 4 and c = –5, evaluate the following expressions:

a) 2a + 3b – c =

b) 3a – 4b + 2c =

c) –2a + b – 3c =

d) a2 + b2 + c2 =

e) 3a(2b – 3c) =

f) –2c(-a + 2b) =

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