S4_3_Straight_Line_Ch7 - Drawing Straight line graphs The...

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Unformatted text preview: Drawing Straight line graphs The gradient from Coordinates www.mathsrevision.com General Equation y = mx + c S4 Credit Equation from 2 Points Best fitting straight line Straight Line Graphs Straight Line Graphs Modelling Situations The gradient Vertical Horizontal Exam Type Questions 13 Feb 2012 13 Feb 2012 Created by Mr.Lafferty Maths Dept Created by Mr.Lafferty Maths Dept Starter Questions Starter Questions www.mathsrevision.com Q1. Calculate 7 5 x 2 Q2. Calculate S4 Credit 2 1 2 1 5 2 + 9 8 5 Q3. Is this triangle right angled ? Explain 13 Feb 2012 13 Feb 2012 Created by Mr.Lafferty Maths Dept Created by Mr.Lafferty Maths Dept www.mathsrevision.com Learning Intention Learning Intention Success Criteria Success Criteria 1. To show how to get the equations for horizontal and vertical lines. 1. 1. Understand that vertical lines have Understand that vertical lines have equations of the form equations of the form x = a x = a The Gradient of a Line The Gradient of a Line S4 Credit 2. 2. Understand that horizontal lines have Understand that horizontal lines have equations of the form equations of the form y = a y = a 1 2 3 4 5 6 7 8 9 10-9-8-7-6-5-4-3-2-1-10 x y 1 2 3 4 5 6 7 8 9 10-1-2-3-4-5-6-7-8-9-10 13 Feb 2012 Created by Mr. Lafferty Maths Dept x = y = Equations for Vertical and Horizontal lines Mark the points on your grid below and then join them together Vertical lines have equations of the form 8 Horizontal lines have equations of the form 2 x =-6 y =-9 13 Feb 2012 13 Feb 2012 Created by Mr.Lafferty Maths Dept Created by Mr.Lafferty Maths Dept Now Try MIA Exercise 2.1 Ch7 (page 136) www.mathsrevision.com The Gradient The Gradient S4 Credit 13 Feb 2012 13 Feb 2012 Created by Mr.Lafferty Maths Dept Created by Mr.Lafferty Maths Dept Starter Questions Starter Questions www.mathsrevision.com-2 2 .5 10 Q1. Write this number in full to 1 sig. figs Q2. Calculate the volume of the triangular prism. 12cm 8cm 20cm S4 Credit 13 Feb 2012 13 Feb 2012 Created by Mr.Lafferty Maths Dept Created by Mr.Lafferty Maths Dept www.mathsrevision.com Learning Intention Learning Intention Success Criteria Success Criteria 2. 2. Calculate simple gradients. Calculate simple gradients. 1. To explain how to calculate the gradient using a right angle triangle 1. 1. Gradient is : Gradient is : change in vertical height divided by change in vertical height divided by change in horizontal distance change in horizontal distance The Gradient of a Line The Gradient of a Line S4 Credit 13 Feb 2012 13 Feb 2012 Created by Mr.Lafferty Maths Dept Created by Mr.Lafferty Maths Dept www.mathsrevision.com The Gradient The Gradient Change in vertical height Change in horizontal distance The gradient is the measure of steepness of a line...
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This note was uploaded on 02/13/2012 for the course MATH 115 115 taught by Professor Jones during the Spring '10 term at University of Phoenix.

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S4_3_Straight_Line_Ch7 - Drawing Straight line graphs The...

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