Algebra 1 solving equations and inequalities review

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What is the absolute value of a number?

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The absolute value of a number is its distance from zero on the number line, regardless of direction. For example, |7| = 7 and |-7| = 7.

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m = {-3, 3}

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What is the quadratic formula?

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The solutions are approximately -6.77 and 1.77.

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What does it mean if an equation has infinitely many solutions?

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An equation has infinitely many solutions if any value of the variable satisfies the equation. This often occurs when both sides of the equation are equivalent.

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Infinitely Many Solutions

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What is the process to isolate a variable in an equation?

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To isolate a variable, perform inverse operations to both sides of the equation until the variable is alone on one side.

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Front

What is a quadratic equation?

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What is the discriminant in a quadratic equation?

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