unit 4 flashcard 4

Front

What are the zeros of the quadratic equation?

Back

The zeros of the quadratic equation are the values of x that make the equation equal to zero. For example, for the quadratic with zeros b=4/5 and b=-3, these are the points where the graph intersects the x-axis.

Front

Back

Front

What is the result of expanding the expression (x - 5)(x + 1)?

Back

Front

Back

Front

Back

Front

What is the vertex form of a quadratic equation?

Back

Front

What does the 'a' value in the vertex form indicate?

Back

The 'a' value indicates the direction and width of the parabola. If 'a' is positive, the parabola opens upwards; if negative, it opens downwards.

Front

How do you find the vertex from the vertex form equation?

Back

Front

What is the standard form of a quadratic equation?

Back

Front

How do you convert from vertex form to standard form?

Back

To convert from vertex form to standard form, expand the equation and simplify it.