y=mx+b

Front

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

Back

The rate of change or slope of the line.

Tags

CCSS.8.EE.B.6

CCSS.8.F.A.3

Front

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

Back

The y-intercept, which is the point where the line crosses the y-axis.

Tags

CCSS.8.EE.B.6

CCSS.8.F.A.3

Front

In the equation y=mx+b, what is the relationship between 'x' and 'y'?

Back

'y' is dependent on 'x'; as 'x' changes, 'y' changes according to the slope 'm'.

Tags

CCSS.6.EE.C.9

Front

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

Back

Use the formula m = (y2 - y1) / (x2 - x1).

Tags

CCSS.8.EE.B.5

Front

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

Back

The slope is 3.

Tags

CCSS.8.EE.B.5

Front

If the equation of a line is y = -2x + 4, what is the y-intercept?

Back

The y-intercept is 4.

Tags

CCSS.8.EE.B.6

CCSS.8.F.A.3

Front

What does a positive slope indicate about a line?

Back

The line rises from left to right.

Tags

CCSS.8.EE.B.5

Front

What does a negative slope indicate about a line?

Back

The line falls from left to right.

Tags

CCSS.8.EE.B.5

Front

If a line has a slope of 0, what does that mean?

Back

The line is horizontal.

Tags

CCSS.8.EE.B.5

Front

If a line has an undefined slope, what does that mean?

Back

The line is vertical.

Tags

CCSS.8.EE.B.5