Topic 4 Review

Is $$2x-3=y^2$$  a linear equation?

Is $$4x=2y+8$$  a linear equation?

Is $$5x-7y=2x-7$$  a linear equation?

Which is NOT a condition on Standard Form?

How could we write an x-intercept?

How could we write an y-intercept?

What is the x-intercept of $$2x-6y=-12$$  ?

What is the y-intercept of $$2x-6y=-12$$  ?

What is the slope of the line passing through the points (-1,3) and (2,-2)?

What is the slope of the line passing through the points (-2,0) and (1,5)?

Can we ever divide by zero?

What type of line has a slope of zero?

Is $$y=3x$$  a direct variation?

Is $$2y=5x$$  a direct variation?

Is $$2y=x$$  a direct variation?

Is $$4x+2y=6$$  a direct variation?

Is $$y=x-4$$  a direct variation?

Is $$y=-\frac{4}{5}x$$  a direct variation?

Is $$y=2$$  a direct variation?

Is $$y=-x$$  a direct variation?

What type of function has the FIRST differences in y constant?

What type of function has the SECOND differences in y constant?

What type of function has some sort of multiplication between the change in y values?