Point-Slope Form
Slope Intercept Form
Direct Variation
Slope
Graphing
100
What is the point slope form equation
y - y1 = m(x - x1)
100
In the equation y = mx + b, what does b represent?
The y-intercept
100
A direct variation equation has the form y = kx. What is k called?
The constant of variation.
100
Calculate the slope of a line passing through (0, 2) and (2, 6)
Slope is 2
100
To graph y = 2x + 1, you start at the y-intercept. What are the coordinates of the point?
(0, 1)
200
Write the equation of a line in point slope form that passes through (2, 5) with slope 3.
y - 5 = 3(x-2)
200
Write the equation of a line with slope 2 and y-intercept -3.
y = 2x -3
200
Fill in the blanks when x is 1 and 2
y = 2
y = 5
200
The slope of a line is -1/2. What does this tell you about the line's direction?
The line has a negative slope. It decreases when going from left to right.
200
Graph the equation y = -x + 3. Name one point on this line besides the y-intercept.
(3, 0) (1, 2) (2, 1) etc
300
Convert the equation y + 3 = -2(x - 4) into slope intercept form
y = -2x + 5
300
Find the y-intercept of the line 3x + 2y = 8
4 or (0, 4)
300
Fill in the blanks when x is 1 and 2 
y = 2 1/3
y = 2 2/3
300
Find the slope of a line passing through (-3, 5) and (1, -3).
Slope is -2
300
Graph the line through (0, -2) and (4, 0). Find the slope and write the equation.
Slope = 1/2 and y = (1/2)x - 2
400
A line passes through (-1, 6) and (3, 2). Write the equation in point-slope form using the point (3, 2)
y - 2 = -1(x-3)
400
A line passes through (1, 4) and (3, 10). Write the equation in slope-intercept form.
What is y = 3x + 1
400
Are x and y a proportional relationship? 
Yes, the rate of change is constant
400
Two parallel lines have slope m1 and m2. What is the relationship between m1 and m2?
m1 = m2
Parallel lines have the same slope.
400
Sketch the graph of the line y = 7/2x - 2
500
Rewrite y - 7 = 4(x + 2) in standard form (Ax + By = C)
4x - y = -15
500
The equation 5x - 2y = 20 is in standard form. Rewrite it in slope- intercept form.
y = (5/2)x - 10 or
y = 2.5x - 10
500
Are x and y proportional?
No, the rate of change is not constant
500
A line passes through (2, 4) and (5, 4). What is the slope? Name the type of line.
The slope is 0. The line is horizontal.
500
Sketch the graph of the line.
y = 6/5x + 1
