Review for Flashcard - Unit 7 Writing Linear Equations Lessons 1-4

Front

What is the equation of a horizontal line at y = 1?

Back

y = 1

Front

What is the slope in the equation y = mx + b?

Back

m is the slope of the line.

Front

What does the slope of a line represent?

Back

The slope represents the rate of change of y with respect to x.

Front

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

Back

2

Front

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

Back

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

Front

What is the slope of the line that passes through the points (6,7) and (4,2)?

Back

5/2

Front

What is the y-intercept in the equation y = 2/3x - 3?

Back

-3

Front

What does a negative slope indicate about a line?

Back

A negative slope indicates that the line is decreasing.

Front

What is the equation of a vertical line at x = 1?

Back

x = 1

Front

What is the slope of a line that is horizontal?

Back

0