Chapter 5: Graphs & Functions

Slides:



Advertisements
Similar presentations
Section 3 Direct Variation
Advertisements

Algebra II Chapter 2 Section 3 Direct that Variation.
Section 1.2 Question 1 ConcepTest Chapter 1. Section 1.2 Answer 1 ConcepTest Chapter 1.
LESSON 5.1: RATIOS AND RATES Chapter Five: Ratios and Proportions.
Constant of Proportionality
3.4 – Slope & Direct Variation. Direct Variation:
Chapter 1 Section 4. Direct Variation and Proportion Direct Variation: The variable y varies directly as x if there is a nonzero constant k such that.
Vocabulary: Chapter Section Topic: Simultaneous Linear Equations
Algebra II. If x varies directly as z and k represents the constant of proportionality, what is the equation that models this variation?
Representing proportional relationships with equations.
Chapter 3 REVIEW Sections 3.3, 4.1, 3.4, 3.1. Problem #1 Find the slope of the line that passes through (0, -4) ad (3, 2)
When two pairs of numbers such as (3, 2 and 6, 4) have the same ratio, we say that they are proportional. The equation states that the pairs 3, 2 and 6,
3.1 Solving equations by Graphing System of equations Consistent vs. Inconsistent Independent vs. Dependent.
Do Now The ratio of men to women on a cruise is 6 to 8. If there are 168 people on the cruise, how many women are there?
Slopes and Direct Variation December 9, Review Slope Slope – Rise Run (-1, -4) and (2, 2)
Chapter 6 Test Prep 6-3 through 6-5: Solving Quadratic Equations 6-6: Graphing Quadratic Functions Application Problems Choose a section to work on. At.
RATE OF CHANGE AND DIRECT VARIATION
Direct Variation Section 1.9.
Constant of Proportionality. A direct variation is represented by a ratio or equation : or k ≠ 0 Direct Variation – constant ratio EX1) Determine if the.
Direct Variation & Inverse Variation (SOL A.8) Chapters 5-2 & 11-6.
Constant of Proportionality. A direct variation is represented by a ratio or equation : or k ≠ 0 Direct Variation – constant ratio EX1) Determine if the.
Direct Variation Chapter 5 Section 2. Objective  Students will write and graph an equation of a direct variation.
Writing a direct variation equation. write a direct variation problem when y = 20 and x = 10 y = kx 20 = k·10 k = 2 y = 2x.
Copyright © 2009 Pearson Education, Inc. Chapter 6 Section 5 – Slide 1 Chapter 4 Variation.
Chapter 07 – Rate, Ratio & Variation Q1
Solving Linear Equations and Inequalities
A proportion is an equation that states two ratios are equal
DIRECT VARIATIONS.
Parametric Equations and Polar Coordinates
Direct Variation.
Geometry Chapter 7 section 1.
Direct Variation Chapter 8 Section 8.9.
2.3: Direct Variation Objective: Determine if a function is a direct variation function.
Chapter 3 Section 3.
Lial/Hungerford/Holcomb: Mathematics with Applications 10e
PARENT GRAPH FOR LINEAR EQUATIONS
If f(x) = 4x – 3, find each function value.
5-2 Direct Variation.
Equation Review Given in class 10/4/13.
2.3: Direct Variation Objective: Determine if a function is a direct variation function.
Quick Graphs Using Slope-Intercept Form
Chapter 4: Solving Inequalities
Determining an Equation of a Line
Warm Up – August 14, 2017 Solve for y. 3 + y = 2x 6x = 3y
Chapter 6 Chemical Reactions
Chapter 3: Solving Equations
Direct Variation Objectives: To write and interpret direct variation equations. Essential Understanding: One basic type of linear equation is called direct.
Solving Linear Equations and Inequalities
Absolute Value in Open Sentences
Name:___________________________ Date:______________
Standard Form of Linear Equations
Equation Review.

Chapter 5: Graphs & Functions
Chapter 3: Solving Equations
If f(x) = 4x – 3, find each function value.
Chapter 2: Rational Numbers
Chapter 5: Graphs & Functions
PROPORTIONS.
Chapter 5: Graphs & Functions
Understanding Proportions
To Start: 10 Points Solve the Proportions: 2 3
Chapter 3: Parallel & Perpendicular Lines
Solving a System of Linear Equations
Chapter Five: Ratios and Proportions
Direct Variation How else could we have solved for k?
Line Graphs.
Chapter Equations of Circles.
Using Cross Products Chapter 3.
Chapter Five: Ratios and Proportions
Presentation transcript:

Chapter 5: Graphs & Functions Section 5 – Direct Variation

Objectives I can write an equation of direct variation I can use ratios and proportions with direct variation

Part 1: Writing an equation of Direct Variation

Part 1: Writing an equation of Direct Variation

Part 1: Writing an equation of Direct Variation

Part 1: Writing an equation of Direct Variation

Part 1: Writing an equation of Direct Variation

Part 2: Proportions and Equations of Direct Variation

CAN YOU?? PROVE IT!! I can write an equation of direct variation Write an equation of the direct variation that includes the point (-8, 10) I can use ratios and proportions with direct variation