Grab Bag 1
Hittin' the Slopes
Grab Bag 2
Graph That!
Equations
100
In gradient-intercept form of an equation, this letter stands for the y-intercept.
c
100
This is the gradient formula, used to find the gradient of a line passing through any two given points.
m = (y2-y1) / (x2-x1)
100
In gradient-intercept form of an equation, this letter stands for gradient.
m
100
How do we label the two axes in any standard coordinate plane.
x and y
100
This is the general gradient-intercept form of a linear equation.
y = mx + c
200
This number is the gradient of the line represented by the equation y = -3x + 2.
-3
200
This number is the gradient of the line given by the equation y = 7x - 2.
7
200
This number is the y-intercept of the line represented by the equation y = 2x - 5.
-5
200
How do we call the form of the linear equations that is easiest to graph.
gradient-intercept form
200
This is the equation (in gradient-intercept form) of the line that passes through the points (1, 3) and (0, -3), y-intercept -3.
y = 6x - 3
300
Find the equation of a line that passes through (0,-2) and (6,10)
y=2x-2
300
This number is the gradient of the line that crosses the points (1, 3) and (5, 11).
2
300
This is the equation (in gradient-intercept form) of the line that passes through the points (0, 3) and (-2, 7) and has y-intercept 3.
y = -2x + 3
300
This is the graph that shows the line y = x + 3.
300
This is the equation (in gradient-intercept form) of the line that passes through the points (1, -1) and (2, 4), y-intercept -6
y = 5x - 6
400
This equation (in gradient-intercept form) is the same as this equation written in standard form: 2x + 2y = 6
y = -x + 3
400
This number is the gradient of the line that crosses the points (-3, -1) and (-8, 8).
-9/5
400
This equation (in gradient-intercept form) is the same as this equation written in standard form: -4x + 2y = 8
y = 2x + 4
400
This is the graph that shows the line y = -3x - 3.
400
This is the equation (in gradient-intercept form) of the line that passes through the points (0, 5) and (-2, -2).
y = 7/2 x + 5
500
It's the equation (in gradient-intercept form) of the line that has y-intercept 7 and is parallel to the line with gradient 4.
y = 4x + 7
500
This number the gradient of the line given in standard form as 4x + y = -2.
-4
500
Find the equation of a line which has y-intercept 4 and is perpendicular to line y = 3x - 2
y = -1/3 x + 4
500
This is the graph that shows the line y = 1/2x + 4.
500
This is the equation (in slope-intercept form) of the line that passes through the point (2, 4) and is parallel to the line y = x - 3.
y = x + 2