Linear Functions

Front

What does 'b' represent in the equation y=mx+b?

Back

y-intercept

Front

What is the equation of the line graphed if it is horizontal at y = -1?

Back

y = -1

Front

Which is the equation of the line with y-intercept -2 and slope 6?

Back

y = 6x - 2

Front

Write the equation of the line through the points (4, 5) and (12, 9).

Back

y = 1/2x + 3

Front

What is the equation for the graph that crosses the y-axis at -3?

Back

y = x - 3

Front

Define a linear function.

Back

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

Front

What does 'm' represent in the equation y=mx+b?

Back

Slope of the line.

Front

How do you find the slope between two points (x1, y1) and (x2, y2)?

Back

Slope (m) = (y2 - y1) / (x2 - x1).

Front

What is the slope of the line represented by the equation y = 3x + 2?

Back

3

Front

What is the y-intercept of the line represented by the equation y = -4x + 5?

Back

5