Features of Linear & Quadratic Functions

Front

What is the coefficient of y in the equation 2x - 3y = 5?

Back

-3

Front

What is the coefficient of y in the equation 5x + y = 8?

Back

1

Front

What is another word for ROOTS in the context of functions?

Back

Zeros

Front

What is the vertex of the function represented by the point (1, -4)?

Back

(1, -4)

Front

What is the vertex of the graph represented by the point (2, 4)?

Back

(2, 4)

Front

Define a linear function.

Back

A function that graphs to a straight line, represented by the equation y = mx + b.

Front

Define a quadratic function.

Back

A function that graphs to a parabola, represented by the equation y = ax^2 + bx + c.

Front

What does the 'a' in a quadratic function determine?

Back

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

Front

What is the y-intercept of a function?

Back

The point where the graph intersects the y-axis (x=0).

Front

How do you find the roots of a quadratic function?

Back

By factoring, using the quadratic formula, or completing the square.