3) Adjust the slider for m to various other values (including negative values) and calculate the gradients for the corresponding lines. What can you conclude about the gradient of a line and the coefficient of x in the equation of the line?

Tick all that apply

A
They may or may not be equal.
B
They are always equal.

Check my answer (3)

Part II

4) Return the slider for m such that m = 1 and ensure that the slider for c = 1.

(i) State the constant value in the equation y = x + 1.

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(ii) With reference to the graph, state the y-intercept of the line y = x + 1.

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(iii) What can you say about the constant value in the equation and the y-intercept of the line?

Tick all that apply

A
They are different.
B
They are the same.

Check my answer (3)

5) Adjust the slider for c such that c = 2.

(i) State the constant value in the equation.

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(ii) With reference to the graph, state the y-intercept of the line.

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(iii) What can you say about the constant value in the equation and the y-intercept of the line?

Tick all that apply

A
They are different.
B
They are the same.

Check my answer (3)

6) 3) Adjust the slider for c to various other values (including negative values) and observe the y-intercept of the corresponding graphs. What can you conclude about the y-intercept of a line and the constant in the equation of the line?

Tick all that apply

A
They may or may not be equal.
B
They are always equal.

Check my answer (3)

Copy of Equation of a Straight Line

Part I

Part II

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