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 with a rise of 4 and a run of 2?
m = 2
Find the equation of the straight line with gradient 2 and y-intercept 3
y = 2x + 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
How many teeth does an adult human have?
32!
What is the gradient of the line with a rise of -3 and a run of 2?
The gradient = -3/2
Find the equation of the straight line with gradient -3 and y-intercept6
y = -3x + 6
State the gradient and y-intercept of the following straight line
y = 3x + 7
m = 3
c = 7
Find the gradient of the straight line between the points (1,5) and (4,11)
m = 2
What is the horizontal axis called on a Cartesian Grid?
The x-axis
Find the gradient of the line that travels between the points (-2, 5) and (0, 2)
m = -3/2
Sketch a graph of the line with equation y=2x-1
Teacher
State the gradient and y-intercept of the following straight line
2y = 4x - 10
m = 2
c = -5
What colour is Mrs Barlow's car?
Red! :) :) :)
What is the point (0,0) called on a Cartesian Grid
The origin
What is the gradient of the x-axis?
m = 0
What is the main ingredient in guacamole?
avocado!
State the gradient and y-intercept of the following straight line
3y = -12x + 18
m = -4
c = 6
Find the equation of the line going through the points (1,3) and (1,5)
x = 1