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
𝑦=3 𝑥+12
Identify the slope of the line
12𝑥−6 𝑦=−18
Identify the y-intercept of the line
Identify the y-intercept of the line
Decide if the lines are parallel
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
𝑦=𝑥+8
Compare to the graph to f(x)=x
𝑦=𝑥−12
Compare to the graph to f(x)=x
𝑦=15𝑥
Compare to the graph to f(x)=x
𝑦=5 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
Find f() when f(x)=
Graph the function
𝑦=−13𝑥+4
Graph the function
6 𝑥−3 𝑦=9
•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
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