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4 cards from this section. Quick, good the night before a test.
Identify the constant in the expression: 7x + 3.
Look for the fixed number without a variable.
What is the coefficient in 5x?
It’s the number in front of the variable.
What is a variable?
Think of the letter used in expressions.
True or False: (a - b)² = a² - 2ab + b² is an algebraic identity.
Check if the format matches any common identities.
Create a linear equation from the real-world scenario: A person is three years older than twice the age of a child. If this person's age is 15, how old is the child?
Set up the equation based on the description given.
Factor the expression x² + 7x + 12.
Look for two numbers that multiply to 12 and add to 7.
6 more questions in this section. Enroll free to practise them all.
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