10.1 Gradient (10.1.2 and 10.1.3)

Which formulae is suitable to calculate the gradient a straight line in the Cartesian plane?

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Which formulae is suitable to calculate the gradient a straight line in the Cartesian plane?

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Calculate the gradient of a straight line that passes through the following pairs of points :

A (4, 5) and B (3, 2)

• $m\ =\ \frac{3}{1}$

• $m\ =\ \frac{1}{3}$

• $m\ =\ 3$

• $m\ =-\ 3$

Determine the gradient of the straight line PQ in the diagram.

• $m\ =\ \frac{11}{7}$

• $m\ =\ -\ \frac{11}{7}$

• $m\ =\ \frac{7}{11}$

• $m\ =\ -\ \frac{7}{11}$

State the value of the x-intercept and the value of the y-intercept of the straight line AB.

• x-intercept = 3

  y-intercept = -7

• x-intercept = -7

  y-intercept = 3

• x-intercept = 0

  y-intercept = 0

Determine the gradient of the following points of coordinate.

• $m\ =\ -\ \frac{3}{5}$

• $m\ =\ \frac{3}{5}$

• $m\ =\ -\ \frac{5}{3}$

• $m\ =\ \frac{5}{3}$

Identify the straight line that has the highest gradient in the diagram.

• AB

• CD

• EF

Identify the straight line that has the highest gradient in the diagram.

• AB

• CD

• EF

Based on the diagram, choose the right answers according to the gradient that are positive and negative.

• Gradient of LM is negative.

• Gradient of MN is positive.

• Gradient of NO is negative.

• Gradient of OQ is negative.

Based on the graph above. Observe on which year does the inflation rate shows a negative gradient?

• 2010 - 2011

• 2011 - 2012

• 2012 - 2013

• 2013 - 2014