Find the slope through the points (5, 0) and (-10, 0)

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Presentation transcript:

Find the slope through the points (5, 0) and (-10, 0)

Find the slope through the points (-2, -7) and (-5, -9)

Identify the slope of the line

Identify the y-intercept of the line

Decide if the lines are parallel

Given, that y varies directly with x, write the direct variation equation y = -12 x = 2

Given, that y varies directly with x, write the direct variation equation y = 4 x = -24

Compare to the graph to f(x)=x

Evaluate the function Find f(-1) when f(x)=6x+1

Evaluate the function Find f(12) when f(x)=0.25x+11.2

Evaluate the function

Graph the function

What is the slope of a vertical line?

What is the slope of a horizontal line?

Write the equation What is the equation of the horizontal line passing through the point (-4, -8)?

Write the equation What is the equation of the vertical line passing through the point (-4, -8)?

Write in slope-intercept form

What is the slope- intercept form formula?

What is the direct variation equation?

What point does a direct variation graph always pass through?

Put the equation in slope-intercept form 4x + 3y = -12

Find the y-intercept of the equation -8x + 4y = 24

Put the line in slope-intercept form -8x + 4y = 36