Unit 6A Review

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What is a system of equations?

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A system of equations is a set of two or more equations with the same variables. The solution is the point(s) where the equations intersect.

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How do you solve a system of equations using substitution?

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1. Solve one equation for one variable. 2. Substitute that expression into the other equation. 3. Solve for the remaining variable. 4. Substitute back to find the first variable.

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What does the vertex of a parabola represent?

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The vertex is the highest or lowest point of the parabola, depending on its orientation. It is the point where the parabola changes direction.

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What is the axis of symmetry in a parabola?

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The axis of symmetry is a vertical line that divides the parabola into two mirror-image halves. It passes through the vertex.

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What is the standard form of a linear equation?

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How do you find the slope of a line given two points?

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What is the meaning of the solution to a system of equations?

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The solution represents the point(s) where the equations intersect, indicating the values of the variables that satisfy all equations in the system.

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What is the process of elimination in solving systems of equations?

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The elimination method involves adding or subtracting equations to eliminate one variable, making it easier to solve for the remaining variable.

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What is a polynomial expression?

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A polynomial expression is a mathematical expression that consists of variables raised to whole number exponents and coefficients, combined using addition, subtraction, and multiplication.

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How do you distribute in algebra?

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