Algebra 2 Chapter 9 Review

Front

What is the greatest number of solutions that a Quadratic Equation can have?

Back

2

Front

Describe the solutions using the discriminant for the equation 4x² + 3 = 4x.

Back

2 imaginary

Front

In the equation -3x² + 8x - 13 = 8, what is the value of 'c'?

Back

-21

Front

What is the discriminant and how many solutions does the quadratic x² - 6x + 9 = 0 have?

Back

0, 1 Solution

Front

Solve the quadratic equation by completing the square: x² + 4x + 1 = 0.

Back

x = -2 ± √3

Front

What is the standard form of a quadratic equation?

Back

y = ax² + bx + c

Front

What does the discriminant tell us about the nature of the roots of a quadratic equation?

Back

If > 0: 2 real solutions; = 0: 1 real solution; < 0: 2 imaginary solutions.

Front

How do you find the vertex of a quadratic function in standard form?

Back

Vertex (h, k) where h = -b/(2a) and k = f(h).

Front

What is the axis of symmetry for a quadratic function?

Back

x = -b/(2a).

Front

What is the quadratic formula?

Back

x = (-b ± √(b² - 4ac)) / (2a).