Unit 3B Review

Front

What are the solutions of the equation represented by the graph?

Back

1 and 3

Front

Solve the equation: (x - 2)² = 49

Back

x = 9, x = -5

Front

What are the x-intercepts of the function?

Back

x = 0 and x = 4

Front

Solve the equation using Desmos or factoring: x² + 3x - 18 = 0

Back

x = 3, x = -6

Front

Solve the equation using Desmos or factoring: x² - 10x + 21 = 0

Back

x = 7, x = 3

Front

What is the definition of an x-intercept?

Back

An x-intercept is a point where the graph of a function crosses the x-axis.

Front

What does it mean to factor an equation?

Back

Factoring an equation involves rewriting it as a product of its factors.

Front

What is the quadratic formula?

Back

x = (-b ± √(b² - 4ac)) / 2a

Front

What is the vertex of a parabola?

Back

The vertex is the highest or lowest point of the parabola.

Front

How do you determine the direction of a parabola?

Back

If the coefficient of x² is positive, it opens upwards; if negative, it opens downwards.