Writing Equations of Lines Review: Graphs

Front

What is the equation of a line with a slope of -4 and a y-intercept of -4?

Back

y = -4x - 4

Front

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

Back

y-intercept

Front

What type of slope is represented by a horizontal line?

Back

Zero

Front

What is the slope of a line that decreases from left to right?

Back

Negative

Front

What is the slope of a line that increases from left to right?

Back

Positive

Front

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

Back

Slope

Front

What type of slope is represented by a vertical line?

Back

Undefined

Front

If a line has a slope of -1, what does that indicate about its steepness?

Back

The line decreases at a 45-degree angle.

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

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