Final Review 1

Front

What is the equation of a parabola given the focus (2,5) and directrix x = -2?

Back

The equation is (y - 5)² = 8(x + 2).

Front

Back

First, solve the inequality to find the critical points, then test intervals to determine where the inequality holds true.

Front

What does it mean if a quadratic/linear system has no solutions?

Back

It means that the lines represented by the equations do not intersect, indicating that there are no common solutions.

Front

How do you set up a system of equations for a word problem involving prices of plants?

Back

Identify variables for each item, write equations based on relationships and total cost, and solve the system.

Front

Back

Front

What is the definition of a parabola?

Back

A parabola is a symmetric curve formed by the intersection of a cone with a plane parallel to its side.

Front

What is the standard form of a quadratic equation?

Back

Front

What is the vertex form of a parabola?

Back

Front

How do you find the vertex of a parabola given in standard form?

Back

Front

What is the discriminant in a quadratic equation?

Back