Terminology
What does C represent in this equation? y = mx + c
The y intercept
What is the gradient?
The gradient is the measure of the slope of the line.
(How steep a line is)
What is the equation of a straight line?
y = mx + c
or
y - b = m(x - a)
Which letter represents the gradient?
y = mx + c
m
When writing a coordinate, what comes first, x or y coordinate?
(x,y) or (y,x)
(x,y)
What does m represent in this equation? y=mx + c
The gradient
What is the gradient of the line between the points (4,7) and (7,10)
m = 1
Find the equation of the straight line between the points (5,8) and (0,3)
y = x + 3
Which letter represents the y-intercept?
y = mx + c
c
Which coordinate is the odd one out?
(-2,-3) (4,-3) (-2,0) (-5,-3) (9,-3)
(-2,0)
All other points have y coordinate of -3
What is the vertical axis called on a Cartesian Plane?
the y-axis
Find the gradient of the line that travels between the points (-3, 0) and (0, 2)
The gradient = 2/3
Find the equation of the straight line between the points (0,6) and (1, 9)
y = 3x + 6
State the gradient and y-intercept of the following straight line
y = 3x + 7
m = 3
c = 7
Compared to their body weight, what animal is the strongest - Dung Beetle, Elephant, Ant, or Cow?
Dung Beetle
What is the horizontal axis called on a Cartesian Plane?
The x-axis
Find the gradient of the line that travels between the points (-2, 5) and (0, 2)
m = -3/2
Find the equation of the straight line between the points (-5,-9) and (0,-1)
y = 2x - 1
State the gradient and y-intercept of the following straight line
2y = 4x - 10
m = 2
c = -5
What is the point (0,0) called on a Cartesian Plane
The origin
What is the gradient of the x-axis?
m = 0
State the gradient and y-intercept of the following straight line
3y = -12x + 18
m = -4
c = 6