Graphing Linear Equations

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.F.A.3

CCSS.8.EE.B.6

Front

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

Back

Slope of the line.

Tags

CCSS.8.F.A.3

CCSS.8.EE.B.6

Front

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

Back

Y-intercept of the line.

Tags

CCSS.8.F.A.3

CCSS.8.EE.B.6

Front

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

Back

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

Tags

CCSS.8.EE.B.5

Front

What is the y-intercept of the equation y = -2x + 4?

Back

The y-intercept is 4.

Tags

CCSS.8.F.A.3

CCSS.8.EE.B.6

Front

What is the slope of the equation y = (1/2)x?

Back

The slope is 1/2.

Tags

CCSS.8.EE.B.5

Front

How do you graph the equation y = x - 4?

Back

Start at (0, -4) on the y-axis and use the slope of 1 to find another point.

Front

What is the graph of a linear equation?

Back

A straight line that represents all the solutions of the equation.

Front

What does it mean if the slope is negative in a linear equation?

Back

The line decreases as it moves from left to right.

Tags

CCSS.8.EE.B.5

Front

What is the significance of the y-intercept in a graph?

Back

It is the point where the line crosses the y-axis.