Writing Linear Equations from Graphs

Front

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

Back

y-intercept

Tags

CCSS.8.EE.B.6

CCSS.8.F.A.3

Front

If m=3 and b=6, what is the correct slope-intercept equation?

Back

y=3x+6

Tags

CCSS.8.EE.B.6

CCSS.8.F.A.3

Front

Give the equation for the graph with a slope of -2 and a y-intercept of 4.

Back

y = -2x + 4

Tags

CCSS.8.EE.B.6

CCSS.8.F.A.3

Front

Which equation matches the graph with a slope of 1/4 and a y-intercept of 2?

Back

y = 1/4 x + 2

Front

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

Back

2

Tags

CCSS.8.EE.B.5

Front

What is the slope-intercept form of a linear equation?

Back

y = mx + b, where m is the slope and b is the y-intercept.

Tags

CCSS.8.EE.B.6

CCSS.8.F.A.3

Front

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

Back

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

Tags

CCSS.8.EE.B.5

Front

What does the slope of a line indicate?

Back

The steepness and direction of the line.

Tags

CCSS.8.EE.B.5

Front

If a line has a positive slope, what does that mean?

Back

As x increases, y also increases.

Tags

CCSS.8.EE.B.5

Front

If a line has a negative slope, what does that mean?

Back

As x increases, y decreases.

Tags

CCSS.8.EE.B.5