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4 cards from this section. Quick, good the night before a test.
Identify the terms in the expression 3y + 2z - 8.
Look for parts of the expression that are added or subtracted.
What is the coefficient in the term 7a?
Which number is multiplying the variable a?
What is a variable in algebra?
Think of variables as placeholders.
True or False: In the expression 4x + 2, 4 is the coefficient.
Look for what multiplies the variable.
Construct an algebraic expression that models the scenario: 'A shop sells x items at $5 each, and a discount of $10 is applied after purchase.'
Think about how you could represent the total cost from the number of items.
Given the expression 3a + 2b - 4c, if a = 2, b = 3, and c = 1, what is the evaluated expression?
Remember to substitute each variable with its respective value and then carry out the arithmetic.
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