Algebra 2 Fall Semester Review

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What is interval notation?

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Interval notation is a way of representing a range of values on the number line. It uses parentheses and brackets to indicate whether endpoints are included (closed interval) or excluded (open interval). For example, (−∞, −1) means all numbers less than -1, while [−1, ∞) includes -1 and all numbers greater than -1.

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How do you write a system of equations for a word problem?

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To write a system of equations for a word problem, identify the variables that represent the unknowns, translate the relationships and conditions given in the problem into equations, and ensure that the equations reflect the constraints of the problem.

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What is the formula for the height of a projectile?

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What is the vertex of a parabola given in standard form?

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What is the axis of symmetry of a parabola?

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What does the symbol '∪' represent in set theory?

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The symbol '∪' represents the union of two sets, which includes all elements that are in either set. For example, if A = {1, 2} and B = {2, 3}, then A ∪ B = {1, 2, 3}.

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What is function composition?

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Function composition is the process of applying one function to the results of another function. If you have two functions f(x) and g(x), the composition is denoted as (g ∘ f)(x) = g(f(x)).

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How do you find the roots of a quadratic equation?

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What is the difference between a linear equation and a quadratic equation?

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What is the significance of the discriminant in a quadratic equation?

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