All about Gradient (Slope)
What is the formula used to find the gradient of a straight line?
rise / run
What does the line pass through at its y-intercept?
The y-axis
3x=9
x=3
What comes first when writing coordinates: the x-coordinate or the y-coordinate?
The x-coordinate
What is the gradient of the line y=-4x+2?
-4
What are the coordinates of the y-intercept of the line y=3x-2?
(0,-2)
4x-1=9
x=2.5
What name is given to the point (0,0)?
The origin
What is the gradient of the line connecting the points (0,0) and (2,6)?
3
What feature of the graph occurs when y=0?
The x-intercept
3x-2=1
x=1
What is the distance between the points (1,-6) and (1,3)?
9
What is the gradient of the line connecting the points (-2,1) and (4,3)?
1/3
What are the coordinates of the x-intercept of the graph y=-2x-8?
(-4,0)
2(x-3)=-8
x=-1
What is the midpoint of the points (6,4) and (-4,2)?
(1,3)
What is the gradient of the line connecting the points (2,-4) and (2,6)?
Undefined
What are the coordinates of the x-intercept of the line y=-2x+15?
(7.5,0)
4x-1=2x+7
x=4
What do we call the point where two graphs meet?
Point of intersection