(x,y) Coordinates
Gradient
Equation of a Line
100
Give the (x,y) coordinate of point A on the following graph:
(3,2)
100
Is the gradient of the following line positive, negative, zero, or undefined?
Negative
100
What is the general formula for the equation of a straight line?
y=mx+c
200
Give the (x,y) coordinate of point F on the following graph:
(-4,-6)
200
Which of the following lines shows an undefined gradient?
A
200
What is the gradient in this equation?
y=5x+1
5
300
What is the y-intercept of the following line?
5
300
Find the gradient of the following line:
m = rise / run
m = 4/2 = 2
Gradient = 2
300
What is the y-intercept for y=-4x+1/2
1/2
400
What is the gradient of the following line?
0
400
Find the gradient of the following line:
Use any 2 points to find rise/run
rise = -3
run =+1
m = -3/1 = -3
400
Create a table of values for the following:
y values = 2, 5, 8, 11, 14
500
Does the coordinate point (3,6) lie on the line with the rule y = 2x + 1?
No - coordinate point should be (3, 7)
500
The points (0,0) and (1,4) lie on the same line.
What is the gradient of that line?
m=y2-y1 / x2-x1
m = 4-0 / 1-0
m = 4/1 = 4
500
what is the equation of a line with a gradient of 2 and a y-intercept of -1?
y=2x-1