Show:
Slope
Parallel and Perpendicular Lines
Slope Intercept Form
Standard Form
Vocabulary & Misc.
100
Define slope.
What is rise/run? What is the rate of increase/decrease?
100
Fill in the blank. Parallel lines have the ________ slope. Perpendicular lines have ______________ _____________ slopes.
What is same slope and opposite reciprocal slopes?
100
What is the equation for slope intercept form?
What is y=mx+b?
100
What is the equation for standard form?
What is Ax+By=C?
100
Define parallel lines (in terms of slope).
What are two lines with the same slope?
200
What is the formula for slope?
What is y22 - y21 / x22 - x21 ? What is the change in y values divided by the change in x values?
200
Write the equation of the line parallel to y=x-2 and passing trough (1,-2)
What is y=x-3?
200
Write the equation with a slope of 6 and y-intercept of -8.
What is y=6x-8?
200
Find x and y intercepts of x+4y=8.
The x-intercept is 8 and the y-intercept is 2.
200
Define perpendicular lines.
What is lines that intersect at 90 degrees? or What is two lines whose slopes are negative reciprocals of each other?
300
The slope is 4/3. If the y-intercept is (0, -3) state one ordered pair on the line.
answers vary
300
Write the equation of the line parallel to y=-2/3x+4 and passing through (-2,4).
What is y=-2/3x+8/3?
300
Write the equation of a line with slope -2 and y-intercept 0.
What is y=-2x?
300
Graph -5x+3y=-15.
Answer on the board.
300
How do you tell the difference between slope intercept form and standard form?
answers vary Standard form has constant on one side of = sign. Slope intercept you can easily identify slope and y-intercept.
400
Ordered pairs are (-6, 4) and (3, 9) find the slope.
What is 5/9?
400
Write the equation of the line that is perpendicular to y=-x+2 and passing trough (3,-1).
What is y=x-4?
400
Graph and label y=2x-2.
Answer on board
400
Convert y=-2/5x+1 to standard form.
2x+5y=5
400
y = mx + b. What is the form? What do all of the variables represent?
Slope-intercept form m = slope b = y-intercept (x,y) = an ordered pair on the line
500
Find the slope between the two points A(2,4) and B(-1,-4).
What is 8/3?
500
Write the equation of the line perpendicular to y=2/5x-9 and passing through (-7,5).
What is y=-5/2x+22.5?
500
Graph y=-x+1.
Answer on board
500
Convert y=2/3x-5 to standard form.
-2x+3y=-15
500
The 3 most common formats of linear equations.
What is point-slope form, slope-intercept form, and standard form?