Slope. 10/27 Warm- up How to tell if a slope is positive.

Slides:

Advertisements

Similar presentations

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

Advertisements

WARM UP 1. Explain how to graph a linear equation written in slope-intercept form. 2. Explain how to graph a linear equation written in point-slope form.

Equation of a line y = m x + b

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.

Warm Up… Solve each equation for y.

Warm up Graph the equation of the line using slope & y-intercept

Lesson 5.1 Write Equations in Slope-Intercept Form.

Warm-Up Graph. Then find the slope. 5 minutes 1)y = 3x + 2 2) y = -2x +5.

WARM UP Evaluate 1.3x + y for x = 4 and y = 3 2.x² + 7 for x = 7 5 Minutes Remain.

When an equation is in slope-intercept form: Examples: Identify the slope of the line and the y- intercept for each equation. 1. y = 3x y = ½.

WRITING EQUATIONS IN SLOPE INTERCEPT FORM 4.2. What you need… ■In order to write an equation in slope intercept form you need to know 2 things: ■ y =

Writing Equations from Tables

Day 9 Geometry.

Warm up Tell whether the relation is a function. {(-1, 5), (-3, 2), (2, 0), (1, 2)} Evaluate: f(x) = 2x2 – 4 when x = -3 Find the slope: (5,

Writing Linear Equations

Lesson 5.6 Point-Slope Form of the Equation of a Line

Graphing Lines Using Slope-Intercept Form

Warm Up Find each y-intercept. 1. y = 3x x – 3y = 12 2 –4

Slope Intercept Form Algebra

Review of Slope LESSON 10.

Equations of Lines.

Write an Equation in Slope-Intercept Form

6.7 Writing Linear Functions

Objective- To use slope and y-intercept to

Chapter 1: Lesson 1.3 Slope-Intercept Form of a Line

2.4 Writing the Equation of a Line

Any two equations for the same line are equivalent.

Objective The student will be able to:

SLOPE = = = The SLOPE of a line is There are four types of slopes

Graphing Linear Equations

Lesson 8-3 Using Slopes and Intercepts part 2

2.4 Writing the Equation of a Line

8/29/12 Writing the Equation of a Line

Writing Linear Equations When Given Two Points on the Line

Writing Equations in Slope-Intercept Form

2.5 Writing Equations in Slope Intercept Form

Lesson 3-4 Equations of Lines

5.6 – point slope formula Textbook pg. 315 Objective:

4.7 Graphing Lines Using Slope-Intercept Form

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

Graphing Linear Equations

Warm up Tell whether the relation is a function.

Warm up Tell whether the relation is a function.

2-4: Writing Linear Equations Using Slope Intercept Form

Warm up Tell whether the relation is a function.

8-6 Slope-Intercept Form

Warm up Tell whether the relation is a function.

Warm up Tell whether the relation is a function.

Warm up Tell whether the relation is a function. {(-1, 5), (-3, 2), (2, 0), (1, 2)} Evaluate: f(x) = 2x2 – 4 when x = -3 Find the slope:

2.2: Graphing a linear equation

Write an Equation Given Two Points

Warm-up # 4 5 −3= Write the slope-intercept form for the equation of the line through (0, 2) that has a slope of 3 4 Write the slope-intercept form for.

5 Minute Check 1-4 Graph the equation : 2x + y – 4 = 0

Warm-up # 34 Tuesday, 12/8/ −3= Simplify 4 2 −2 4

Warm-Up #8 Solve for y: 2y – x = 4 5 – y = 6x y – 2x = 6.

Homework Lesson 4.03_ pg 287_ #8-11.

Starter challenge.

Objectives: To graph lines using the slope-intercept equation

2.4 Writing the Equation of a Line

Graphing Using Slope-Intercept Form

Warm up Tell whether the relation is a function.

Warm up 21 1.) Determine the slope and y intercept of the line y=7x ) Determine the slope and the yintercept of the line 7x- 4y=3 3.) Graph y=1/2.

Chapter 4 Review.

1: Slope from Equations Y = 8x – 4 B) y = 6 – 7x

Graphing using Slope-Intercept Form

Slope Intercept Form Algebra 1 Unit 4 Lesson 2.

Presentation transcript:

Slope

10/27 Warm- up

How to tell if a slope is positive

The Slope Formula

The Slope Intercept Formula Y = MX + b  M is the slope of the equation.  M is the value attached to the x  B is the y intercept.  B is always the value of the equation when x = o.

The Slope Formula

10/29 Warm up  1. What is the slope of the following two points? (3, 11) (6, 17)  2. What is the slope of the following two points? (-3, 7) (6, -6)

John makes $15 an hour. He plans on working 10 hours this weekend. Write a function that shows this.  A. What is the function equation of this problem?  B. How much would he make if he worked 0, 3, 5, 8 or 10 hours?

John makes $15 an hour. He plans on working 10 hours this weekend. Write a function that shows this.  A. What is the function equation of this problem?  f(x) = 15x

John makes $15 an hour. He plans on working 10 hours this weekend. Write a function that shows this.  B. How much would he make if he worked 0, 3, 5, 8 or 10 hours?  f(x) = 15x F(x) = 15xF(x) = ?( ) F(0) = 15(0)F(0) = 0(0, 0) F(3) = 15(3)F(3) = 45(3, 45) F(5) = 15(5)F(5) = 75(5, 75) F(8) = 15(8)F(8) = 120(8, 120) F(10) = 15(10)F(10) = 150(10, 150)

Joan gets paid $35 a day to watch kids and $5 per kid. Write a function that shows this.  A. What is the function equation of this problem?  B. How much would she make if had 1, 3, 5, and 7 kids?

Joan gets paid $35 a day to watch kids and $5 per kid. Write a function that shows this.  A. What is the function equation of this problem? f(x) = 5(x) + 35

Joan gets paid $35 a day to watch kids and $5 per kid. Write a function that shows this. B. How much would she make if had 1, 3, 5, and 7 kids? f(x) f(x) = 5(x) + 35 F(x) = 5(x) + 35F(x) = ?( ) F(1) = 5(1) + 35F(1) = = 40(1, 40) F(3) = 5(3) + 35F(3) = = 50(3, 50) F(5) = 5(5) + 35F(5) = (5, 60) F(7) = 5(7) + 35F(7) = (7, 70)

F(x) = 4x 4(x) xy 4(-2) = (-1) = (0) = 000 4(1) = 4(2) = 4(3) = 4(4) =

F(x) = 4x 4(x) xy 4(-2) = (-1) = (0) = 000 4(1) = 414 4(2) = 828 4(3) = (4) = 16416

Draw the following graphs

5. What is the slope of this graph?

6. What is the equation of this graph?

What is the slope of the following points? Show all work!!!  7. (-17, 5) (7, 11)  8. (-2, 13) (5, 9)

9. What is the slope and Y intercept of the Graph? What is a and b? xy a 8b

11/3 Warm-up

11/5 Warm-up

11/5

Lesson 8-2

11/6 Warm- up