Slope & Y-Intercept

Front

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

Back

Positive

Front

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

Back

Negative

Front

What is the slope of a horizontal line?

Back

Zero

Front

What is the slope of a vertical line?

Back

Undefined

Front

In the equation y = mx + b, what does 'm' represent?

Back

Slope

Front

In the equation y = mx + b, what does 'b' represent?

Back

Y-intercept

Front

How do you find the y-intercept from the equation y = 3x + 4?

Back

Set x = 0, then y = 4.

Front

What is the y-intercept of the equation y = -5x + 2?

Back

(0, 2)

Front

Write the equation of a line with a slope of 1 and a y-intercept of 2.

Back

y = 1x + 2 or y = x + 2

Front

What is the slope of the line represented by the points (2, 3) and (4, 7)?

Back

2