PA Midterm Unit 7/8 Review

Front

What is the slope in the equation y=2x + 3?

Back

2

Front

What is the equation of the line that has a slope of 5/2 and a y-intercept of -1?

Back

y = 5/2 x - 1

Front

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

Back

y-intercept

Front

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

Back

slope

Front

Find the slope of the line that passes through the points (1, -19) and (-2, -7).

Back

-4

Front

What is the formula to calculate the slope between two points (x1, y1) and (x2, y2)?

Back

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

Front

What is the y-intercept of the line represented by the equation y = 3x + 4?

Back

4

Front

If a line has a slope of 0, what type of line is it?

Back

Horizontal line

Front

What is the slope of a vertical line?

Back

Undefined

Front

What does it mean if two lines are parallel?

Back

They have the same slope.