Flashcards in 2nd 9wks Vocab Deck (20)
What type of line has an undefined slope?
A vertical line
What type of line has no slope?
A horizontal line
If a line rises from left to right when graphed, what kind of slope does it have?
What are the 3 forms of liner equation?
Point-slope, slope intercept, standard
What is the slope formula?
------- = M
Which form of a liner equation is used to write other forms of liner equation?
Which form of a liner equation is used to make tables?
Which form of liner equation doesn't allow fractions or decimals?
What are the 4 types of slope?
Positive, negative, 0, undefined
If you have a horizontal line, which variable is in the equation of the line?
If you have a vertical line, which variable is in the equation of the line?
Which line isn't a function?
When graphing, how can you tell if two lines are parallel?
If when you graph them, they don't intersect
How can you tell if two lines are parallel by looking at their equations?
Their equations have the same slope but a different Y-intercept
When graphing, how can you tell if two lines are perpendicular?
If they meet at a right angle
How can you tell if two lines are perpendicular by looking at their equations?
If the product of the slopes is -1
What is an X intercept?
Where it crosses the X-axis
What is the Y-value in every X-intercept?
What is a Y-intercept?
Where it crosses the Y-axis