Unit 6A Review

Front

What is the vertex of a parabola?

Back

The vertex of a parabola is the point where the curve changes direction. It is the highest or lowest point on the graph, depending on whether it opens upwards or downwards.

Front

How do you find the axis of symmetry for a parabola?

Back

Front

What is the standard form of a quadratic equation?

Back

Front

What does the term 'system of equations' refer to?

Back

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.

Front

How do you solve a system of equations using substitution?

Back

To solve using substitution, solve one equation for one variable, then substitute that expression into the other equation.

Front

What is the solution to the system of equations 2x + 3y = 6 and x + 2y = 5?

Back

The solution is ( -3 , 4 ).

Front

What is the meaning of 'undefined' in the context of equations?

Back

'Undefined' refers to a situation where a variable cannot take a specific value, often due to division by zero or an impossible condition.

Front

What is the significance of the vertex in a quadratic function?

Back

The vertex indicates the maximum or minimum value of the function and is crucial for graphing the parabola.

Front

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

Back

Front

What is the axis of symmetry for the parabola represented by the equation y = 2x^2 - 8x + 5?

Back