Drawing straight line graphs

Slides:

Advertisements

Similar presentations

Objective - To graph linear equations using the slope and y-intercept.

Advertisements

The table and graph suggest another method of graphing a linear equation. This method is based on two numbers. The SLOPE This is the coefficient of x.

Solving Equations = 4x – 5(6x – 10) -132 = 4x – 30x = -26x = -26x 7 = x.

Technical Question Technical Question

EXAMPLE 2 Graph direct variation equations Graph the direct variation equation. a.a. y = x 2 3 y = –3x b.b. SOLUTION a.a. Plot a point at the origin. The.

Solving quadratic equations Factorisation Type 1: No constant term Solve x 2 – 6x = 0 x (x – 6) = 0 x = 0 or x – 6 = 0 Solutions: x = 0 or x = 6 Graph.

Write and graph a direct variation equation

3.1 – Graphing Linear Equations. Linear equation.

6.8 –Systems of Inequalities. Just like systems of equations, but do the inequality part!

10-2 Graphing Functions Learn to represent linear functions using ordered pairs and graphs.

4.2 Graphing linear equations Objective: Graph a linear equation using a table of values.

Graphing Lines Test Review By Mrs. Anderson. Graph the following using slope and y-intercept Y=2x + 3 Y=3/4x – 7 Y=3/2x + 5 Y=4x.

Instructions for Lesson Delivery 1.This is lesson 1 of 2 for Linear equations. 2.Print the last page for all students so they can place them in their whiteboards.

Substitute 0 for y. Write original equation. To find the x- intercept, substitute 0 for y and solve for x. SOLUTION Find the x- intercept and the y- intercept.

Substitute 0 for y. Write original equation. To find the x- intercept, substitute 0 for y and solve for x. SOLUTION Find the x- intercept and the y- intercept.

Math Bellwork 12/16/13 – 12/20/13. Bellwork 12/16/13 Find the equation of the line

Determine whether (2, 4) is a solution for y= 5x-6.

Linear Inequalities in Two Variables Objectives: Solve and graph a linear inequality in two variables..

Graphing Quadratic Equations

Linear Inequalities And Absolute Value Solving Inequalities Multiplication/Division “ALGEBRA SWAG” “ALGEBRA SWAG” -

3.6 Solving Absolute Value Equations and Inequalities

9.2 Representing Linear Functions. Graphing Equations Make a Table.

Solving Open Sentences Involving Absolute Value

Graphing Functions #33.

Making Equations (2) Algebra 5 x + 7 Area = 53cm 2 The area of a rectangle. In each of the examples below, the area of the rectangle is given. Make an.

Easy Substitution Assignment. 1. What are the steps for solving with substitution?

Review after Christmas!. Solve the below equations for the variable..5 (6x +8) = 16 1.

Graphing Linear Equations 4.2 Objective 1 – Graph a linear equation using a table or a list of values Objective 2 – Graph horizontal or vertical lines.

1 Math Pacing Graphing Linear Equations. Equations as Relations A linear equation can be written in the standard form of a linear equation: Ax + By =

Using y = 8x, what is the value of x if y = 72? Complete the table of values for 4x = y X0123 Y.

Aim: How do we solve quadratic inequalities? Do Now: Solve and graph 1) 8|-2x| - 2 > 30 2) -4|-3 + 7x| + 9 ≥ -59 HW #5 – Handout #2,6,12,16,21 (solve and.

Graphing Linear Equations

Curves Dr Duxbury.

To find the solution of simultaneous equations graphically: 1)

3.3 – Solving Systems of Inequalities by Graphing

Section 7.5 Systems of Linear Inequalities

Chapter 6 Section 3.

Revision Simultaneous Equations I

Graphical Solution of Simultaneous Equations

Notes Over 9.6 An Equation with One Solution

3.1 – Graphing Linear Equations

Solutions to Systems of Equations

Graphing Equations TeacherTwins©2014.

Systems OF EQUATIONS Elimination.

USING GRAPHS TO SOLVE EQUATIONS

Quadratics – Absolute value

Function - when every x is paired to one y

ABSOLUTE VALUE September 7, 2016.

Scatter Plots and Equations of Lines

Write the equation for the following slope and y-intercept:

Where m and c are whole numbers.

©G Dear 2009 – Not to be sold/Free to use

2nd 9 Weeks MidPoint Review

5.1 Solving Systems of Equations by Graphing

Quadratic Systems. What you’ll learn

Systems of Equations Solve by Graphing.

Tables and Relations Review

Drawing Graphs The parabola x Example y

The Quadratic Curve Wednesday, 01 May 2019.

Graphical Solution of Simultaneous Equations

y x y = x + 2 y = x + 4 y = x – 1 y = 6x – 3 y = 2x y = ½x y = 3x + 1

7.2 Graphing Equations.

Today we will Graph Linear Equations

2.2: Graphing a linear equation

Straight line graphs: Drawing appropriate axes

Drawing Graphs The straight line Example

Using “T” Tables & Graphing Intercepts

Graphical Relationships

The Quadratic Curve Monday, 27 May 2019.

Equations With Two Variables pages

Presentation transcript:

Drawing straight line graphs Tuesday, 01 January 2019

Copy and complete the table below for the equation y=2x+1 Example Copy and complete the table below for the equation y=2x+1 Draw the graph of y=2x+1 x 1 2 3 4 y 1 3 5 7 9 y 6 4 2 -2 -1 1 2 3 x -2

Copy and complete the table below for the equation y=3x-1 Example Copy and complete the table below for the equation y=3x-1 Draw the graph of y=3x-1 x 1 2 3 4 y 2 5 8 11 y 8 6 4 2 -2 -1 1 2 3 x -2

Copy and complete the table below for the equation y=4x-5 Example Copy and complete the table below for the equation y=4x-5 Draw the graph of y=4x-5 x 1 2 3 y –1 3 7 y 8 6 4 2 -2 -1 1 2 3 x -2

Example Draw the graph of y=2x-7 x 1 2 3 y –5 – 3 –1 y 4 2 -2 -1 1 2 3 x -2 -4 -6 -8

Example Draw the graph of y=4-x x 1 2 3 y 3 2 1 y 8 6 4 2 -2 -1 1 2 3 x -2

b) Hence solve the set of simultaneous equations y=2x+5 and y=20-3x Example a) Draw on the same set of axes the graphs of y=2x+5 and y=20-3x b) Hence solve the set of simultaneous equations y=2x+5 and y=20-3x y x 1 2 3 y=2x+5 7 9 11 25 x 1 2 y=20-3x 20 20 17 14 15 b) Solution of simultaneous equations x= 3 y=11 10 5 1 2 3 4 5 x