What does the pro numeral C represent in this equation?
y = mx + c
The constant.
(The value of Y when x equals 0)
100
What is the gradient?
The gradient is the measure of the slope of the line.
100
Find the missing number in this rule:
5 = 3 x 2 + ___
-1
100
What is the point (0, 0) called
The origin
100
The vertical axis is called the ____-axis
the y-axis
200
How do you plot a set of points on a graph?
The x-coordinate is listed first then the y-coordinate.
200
What is the gradient of the x-axis?
The gradient of the x-axis is 0
200
For the rule y=2x + 3
Find the y-coordinate for the x-coordinate of -5
y = -7
(-5, -7)
200
The quadrant that has negative coordinates for both x and y is the _______________ quadrant?
Quadrant 3
200
Complete the table for this rule:
y = 3x - 2
x -2 -1 0 1 2
y
x -2 -1 0 1 2
y -8 -5 -2 1 4
300
Find the y-intercept of a line that passes through the two points (-1, 7) and (2, 4)
the y intercept is 6
300
Find the gradient of the line that travels between the points (-3, 0) and (0, 2)
The gradient = 2/3
300
The ________________of x will be the increase in y as x increases by 1.
Coefficient
300
The point (1, -5) has the y-coordinate ____?
-5
300
The coordinates of the POINT OF INTERSECTION of the graphs of y=3 and x=-2 are:
A) (0, 3) B) (2, -3) C) (-2, -3) D (-2, 3) E (2, 3)
D (-2, 3)
400
Find the rule for the graph by first constructing a table of x and y values.
****SEE THE BLUE LINE ON THE BOARD****
x -2 -1 0 1 2
y 8 5 2 -1 -4
rule - y = -3x +2
400
Brok climbs a rocky slope that rises for 12m for each 6m across. His friend Lucas climbs a nearby grassy slope that rises 25m for each 12m across. Which slope is steeper?
(and therefore which climber is more awesome?)
the grassy slope....therefore Lucas is awesome! :)
400
Find the rule for this table of values:
x -2 -1 0 1 2
y -8 -5 -2 1 4
y = 3x - 2
400
One point in this set is not "in line" with the other points. Name the point.
A(-4, -3) B(-2, -2) C(0, -1) D(2, 0) E(3, 1)
E(3, 1)
400
Decide if the points (1, 3) and (-2, -4) lie on the graph y=3x
Point (1, 3) is on the line, but point (-2, -4) is not on the line
500
Find the rule for this table:
x -6 -3 0 3 6
y 15 9 3 -3 -9
rule - y= -2x + 3
500
Find the gradient of the line that travels between the points (-2, 5) and (0, 2)
The gradient = -3/2
500
A line passes through the two points (-2, 3 and (4, -3).
What is the rule for the line?
y = x + 1
x -3 -2 -1 0 1 2 3 4
y 4 3 2 1 0 -1 -2 -3
500
The MID POINT of a line segment is a point that cuts the segment in half.
Find the MID POINT of the line segment joining this pair of points: (-2, -3) and (0, -2)
MID POINT is (-1, -2.5)
500
Write the rule for the graph by first finding the values of m and c.
****See the RED LINE on the board****