In f(x) = -3x + 2, find each function value. 1. f(9) 2. f(12) 3

Slides:

Advertisements

Similar presentations

Advertisements

Algebra 1 Section 4.3 Graph Linear Equations by using Intercepts A linear equation (the graph is a line) takes the form Ax + By = C. Which are linear equations?

Slope-Intercept and Standard Form of a Linear Equation.

Section 1.3 Lines.

STANDARD FORM OF A LINEAR EQUATION

Lines in the Coordinate Plane

Graphing Linear Equations Using Intercepts

3.1 Graphing Linear Equations

Standard Form I can identify intercepts from an equation.

3-2 Graphs of Linear Equations in 2 Variables

Bell Ringer The vertices of figure ABCD are A(4,2), B(-1, 0), C(5, 5), and D(1, -3). This figure is translated 3 units to the right and 4 units up.

Bell Ringer The vertices of figure ABCD are A(4,2), B(-1, 0), C(5, 5), and D(1, -3). This figure is translated 3 units to the right and 4 units up.

Solving Quadratic Equation and Graphing

Algebra 1 Section 6.1.

6.7 Writing Linear Functions

What is the missing angle in the following triangles. #1. 17, 60, x #2

Bell Work Jackson opened a bank account and is saving for a new pair of shoes. The table below shows his progress. How much does Jackson save each week?

PARENT GRAPH FOR LINEAR EQUATIONS

If f(x) = 4x – 3, find each function value.

Bell Ringer No Bell Ringer today  You should still be sitting quietly in your seat. Have ALL materials ready to begin class as soon as the bell rings.

Quad Frame Vertex Name: For each equation:

BELL RINGER Use this equation to answer #1 and #2. y = x – 1.

In f(x) = -3x + 2, find each function value. 1. f(9) 2. f(12) 3

Write each equation in slope – intercept form.

What is the missing angle in the following triangles. #1. 17, 60, x #2

9.3 – Graphing Linear Equations

Graphing Linear Equations

What is the x-intercept?

Bell Ringer 4x + y = 3 y – 6 = ½ x -9x + y = -5 -4x + y = 2

State the y-intercept of each of the following equations.

Find the slope between the following points. Use (y2 – y1)/(x2 – x1)

Ordered pairs: ( , ) ( , ) ( , ) Ordered pairs: ( , ) ( , ) ( , )

4.3 Graphing Equations of Lines From Intercepts

Bell Ringer Use the Distributive Property to solve #1 and #2.

Bell Ringer What is R’ ? What is S ’ ? What is T ’ ? What is V ’ ?

Find the measures of the angles in each triangle. #1. #2. #3.

Find the slope between the following points. Use (y2 – y1)/(x2 – x1)

2.2 Linear relations and functions.

Graphing with X- and Y-Intercepts

BELL RINGER Use this equation to answer #1 and #2. y = x – 1.

Simplify each expression.

Section 2-2 Linear Equations Objective:

Put each equation into the form

If f(x) = 4x – 3, find each function value.

Solve. You do not HAVE to check. #1. 2f + 3 = 11f - 24 #2

Bell Ringer Use the Distributive Property to solve #1 and #2.

Bell Ringer No Bell Ringer today  You should still be sitting quietly in your seat. Have ALL materials ready to begin class as soon as the bell rings.

5-3 slope-intercept form

#1. 6x = 42 #2. x – 9 = -10 # z = z #4. 12x – 3 = 4x + 13 Bell Ringer.

There is no #4. Leave this box blank.

Bell Ringer Write each equation in slope-intercept form.

Bell Ringer 4x + y = 3 y – 6 = ½ x -9x + y = -5 -4x + y = 2

If f(x) = 4x – 7, find each function value.

Simplify each expression.

Put each equation into the form

State the y-intercept of each of the following equations.

Write each equation in slope – intercept form.

Bell Ringer What is R’ ? What is S ’ ? What is T ’ ? What is V ’ ?

Solve. You do not HAVE to check. #1. 2f + 3 = 11f - 24 #2

Write an equation in slope-intercept form for each line.

Write an equation in slope-intercept form for each line.

If f(x) = 4x – 7, find each function value.

Find the measures of the angles in each triangle. #1. #2. #3.

#1. 6x = 42 #2. x – 9 = -10 # z = z #4. 12x – 3 = 4x + 13 Bell Ringer.

Quad Frame Vertex Name: For each equation:

Bell Ringer #1. 3x + 1 = 10 #2. 18 – 2q = 4 #3. 8w – 12 = -4

Find your new seats. Bell Ringer. You have 5 minutes.

Writing Rules for Linear Functions Pages

Presentation transcript:

In f(x) = -3x + 2, find each function value. 1. f(9) 2. f(12) 3 In f(x) = -3x + 2, find each function value. 1. f(9) 2. f(12) 3. f(-2) 4. f(-5) Bell Ringer

Homework Section 8.1 # 5-8 Section 8.2 #1-9

Homework Section 8.1 # 5-8 Section 8.2 #1-9

Section 8.3 Representing Linear Functions R drive > Key > Week 16 > Tuesday > 8.3 PowerPoint File > Save As > Math > Week 16 > 8.3 PowerPoint

Vocabulary Linear Equation – An equation whose graph is a line X – Intercept – The x – coordinate of the point at which the graph crosses the x -axis Y – Intercept – The y – coordinate of the point at which the graph crosses the y-axis

Notes

Example 1 Use a Table of Ordered Pairs

Example 2 Use a Table of Ordered Pairs

Example 3 Use Function Equations

EXAMPLE 3 CONTINUED

Example 4 Use Function Equations

NOTES

Example 5 Graph a Linear Function

EXAMPLE 5 CONTINUED

NOTES STANDARD FORM – An equation written in the form Ax + By = C is written in standard form

Example 6 Graph a Linear Function

Example 6 Graph a Linear Function Graph y = x +2

Homework Section 8.3 #1-11