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Gradient
Intercepts
Equations
Inequalities
Simultaneous
100
What is the letter used to represent the gradient in the general equation of a line?
m
100
What is the value of x when a line intercepts the y-axis?
x=0
100
What is the general equation of a line?
y = mx + c
100
y = 4x + 8 would be drawn with a solid or dashed line?
dashed
100
Solving simultaneous equations mean that you find what?
The point of intersection.
200
What is the gradient? y = -4x + 5
m = -4
200
What is the value of y when a line crosses the x-axis?
y=0
200
Find the equation of the line that crosses the y-axis at 3 and has a gradient of 2
y = 2x + 3
200
In the equation y > 4x + 8 Would you shade above or below the line to show the required values if the required values are always shown as shaded?
Above
200
y = x and y = -x intersect at what point?
The origin or (0,0)
300
What is the gradient of the line 3y = -4x + 9
m = -4/3
300
What is the y-intercept of the equation y = 2x - 4
y = -4
300
What is the equation of a line with the gradient -5 and passing through the point (5, 6)?
y = -5x + 31
300
Graph y > -2
A graph with a horizontal line at -2 and shading above the line should be shown.
300
Solve the equations y = 2x + 1 y = -3x-4
(-1, -1)
400
What is the gradient of the line between the coordinates (-2, 4) and (3, 1)
m = -5/3
400
What is the x-intercept of the following equation? y = 3x - 12
x = 4
400
Five students can clean the cafeteria in 15 minutes, while three students would take 27 minutes. How long would it take one student to clean the cafeteria?
It would take the student 39 minutes.
400
The equation for a boundary line is 5x - y = -3 and values above the line are shaded. What is the inequality?
y >= 5x + 3
400
Is the point (3,7) a solution to the equations, y - x = 4 2y + x = 17
yes
500
What is the gradient of a line that intercepts the x axis at 4 and the point (6,3)?
m = 2/3
500
What is the y-intercept of the following equation? 5y + 25x = 10
y = 2
500
A computer program can be written in 50 days if there are two programmers working on the project, while if there are five programmers it takes only 35 days. Predict the time it would take six programmers to complete the project.
It will take 30 days to complete the project.
500
Just because you were brave enough to choose this value you get 500 bonus points!
Yeah, 500 for you!!!
500
Do the following equations have a solution? If not, why? x + 2y = 8 5x + 10y = 45
no solution, they are parallel lines since they have the same gradient.