Equation of a line from a graph

Front

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

Back

The y-intercept is 5.

Tags

CCSS.8.EE.B.6

CCSS.8.F.A.3

Front

Determine the slope and y-intercept from the following equation: y = 3/2x + 3.

Back

Slope: 3/2, Y-intercept: (0,3).

Tags

CCSS.8.EE.B.6

CCSS.8.F.A.3

Front

Write the equation of the line with a slope of 1/3 and a y-intercept of -2.

Back

The equation is y = 1/3x - 2.

Tags

CCSS.8.EE.B.6

CCSS.8.F.A.3

Front

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

Back

The slope is 2.

Tags

CCSS.8.EE.B.5

Front

Write an equation for the graph shown with a slope of -1/2 and a y-intercept of 2.

Back

The equation is y = -1/2x + 2.

Front

What does the slope of a line represent?

Back

The slope represents the rate of change of y with respect to x.

Tags

CCSS.8.EE.B.5

Front

How do you find the y-intercept from an equation in slope-intercept form?

Back

Set x = 0 and solve for y.

Tags

CCSS.8.EE.B.6

CCSS.8.F.A.3

Front

What is the general form of the equation of a line?

Back

The general form is 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

If a line has a slope of 0, what does that indicate about the line?

Back

The line is horizontal.

Tags

CCSS.8.EE.B.5

Front

If a line has an undefined slope, what does that indicate about the line?

Back

The line is vertical.

Tags

CCSS.8.EE.B.5