Calculating the Rate of Change for a Linear Relationship (AQA A-Level Biology): Quizzes
📚Quizzes
Practise the questions
10 questions from this quiz
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Practise the questions
10 questions from this quiz
How does a linear relationship appear when plotted on a graph?
How does a linear relationship appear when plotted on a graph?
As a straight line
In the equation , what does represent?
In the equation , what does represent?
The gradient
What is the key characteristic of the rate of change in a linear relationship?
What is the key characteristic of the rate of change in a linear relationship?
It is constant throughout
What is the formula for calculating gradient?
What is the formula for calculating gradient?
Where can you position the right-angled triangle when calculating gradient from a linear graph?
Where can you position the right-angled triangle when calculating gradient from a linear graph?
Anywhere along the straight line
If y-axis units are g and x-axis units are hours, what are the units for rate of change?
If y-axis units are g and x-axis units are hours, what are the units for rate of change?
g hour
A line passes through (0,0) and (12,24). What is the gradient?
A line passes through (0,0) and (12,24). What is the gradient?
2
A line passes through (0,66) and (15,21). What is the gradient?
A line passes through (0,66) and (15,21). What is the gradient?
-3
What does a negative gradient indicate about the relationship?
What does a negative gradient indicate about the relationship?
y decreases as x increases
Why must you include the negative sign in your final answer for gradient?
Why must you include the negative sign in your final answer for gradient?
It shows direction of change