Unit 4 Quadratics Cumulative Review

Front

Identify 'a' in the quadratic equation: x² + 16x + 64 = 0

Back

1

Front

Add the polynomials (x-2) and (x² + 3)

Back

x² + x + 1

Front

What is the domain of the quadratic function y = ax² + bx + c?

Back

All real numbers.

Front

Identify 'b' in the quadratic equation: x² + 64 = 0

Back

0

Front

Using the graph of y = -1.5x² + 12x - 23, what are the values of x when y = -5?

Back

x = 2, 6

Front

What is the standard form of a quadratic equation?

Back

y = ax² + bx + c

Front

What does the 'a' value in a quadratic equation determine?

Back

The direction of the parabola (upward if a > 0, downward if a < 0).

Front

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

Back

Use the formula x = -b/(2a) to find the x-coordinate, then substitute back to find y.

Front

What is the quadratic formula?

Back

x = (-b ± √(b² - 4ac)) / (2a)

Front

What is the axis of symmetry in a quadratic function?

Back

The vertical line x = -b/(2a).