C2 Equations TEST 2024

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Front

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Front

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Front

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Front

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Define a linear equation.

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A linear equation is an equation of the first degree, meaning it has no variables raised to a power greater than one.

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What does it mean to isolate a variable in an equation?

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Isolating a variable means rearranging the equation so that the variable is on one side and all other terms are on the other side.

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What is the principle of equality in solving equations?

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The principle of equality states that if you add, subtract, multiply, or divide both sides of an equation by the same number, the two sides remain equal.

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How do you check if your solution to an equation is correct?

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You substitute the solution back into the original equation to see if both sides are equal.