Chapter 3 Test Review. Writing Equations of Lines  I can state the formula for slope, am able to use the formula, and can apply that slope is a rate.

Slides:



Advertisements
Similar presentations
Writing and Graphing Equations of Lines
Advertisements

Introduction When linear functions are used to model real-world relationships, the slope and y-intercept of the linear function can be interpreted in context.
7.2 Review of Equations of Lines; Linear Models
3.4 Graph of Linear Equations. Objective 1 Use the slope-intercept form of the equation of a line. Slide
Chapter 8 Graphing Linear Equations. §8.1 – Linear Equations in 2 Variables What is an linear equation? What is a solution? 3x = 9 What is an linear equation.
1 1 Slide Simple Linear Regression Chapter 14 BA 303 – Spring 2011.
Goals: Graph and interpret equations in slope- intercept form that model real life situations. Use a graphing calculator to graph linear equations. Eligible.
WRITING LINEAR EQUATIONS 5.1 AND 5.2. WRITING A LINEAR EQUATION GIVEN THE SLOPE AND Y-INTERCEPT Use the equation y = mx + b The slope is the m in the.
Identify, write, and graph an equation of direct variation.
Chapter 1 Linear Equations and Graphs Section 3 Linear Regression.
(-4) (-2) + (-1) September 5, 2012 Get a pink piece of Warm-Up paper from the shelf that is under the pencil sharpener. Copy down.
Mathematical Processes GLE  I can identify the operations needed to solve a real-world problem.  I can write an equation to solve a real-world.
What is the slope of a line parallel to the line seen below? m= -1/3
Sullivan Algebra and Trigonometry: Section 2.3 Objectives Calculate and Interpret the Slope of a Line Graph Lines Given a Point and the Slope Use the Point-Slope.
Direct Variation 5-4. Vocabulary Direct variation- a linear relationship between two variable that can be written in the form y = kx or k =, where k 
Calculate the Slope. What is the slope-intercept form of any linear equation?
Slope = change in y change in x Understanding Slope COURSE 3 LESSON 3-3 Using coordinates, find the slope of the line between P (–2, 3) and Q (–1, –1).
C ollege A lgebra Linear and Quadratic Functions (Chapter2) 1.
Chapter 7-1 continued. Warm up Solve the following by graphing: y = 4x2x – y = 3 y = -3xy = x + 4 Write in standard form:y = -.5x +.75 What is the equation.
Lesson 3-5: Solving Equations with the Variable on Each Side.
1.6 Warm Up 1.Find the slope between the points: 1.(9,3) & (-1, -6) _______________ 2.(4, -3) & (0, -3) _______________ 3.(2, 1) & (-5, 8) ________________.
-2 -5 Objective - to use slope-intercept form to write
Chapter 2.5 Formulas. 1. The airlines are planning a nonstop flight from Chicago to Prague. and r = 550 m/h 8.3 d = rt = The distance is approximately.
Big Idea : -Solve systems of linear equations by graphs.
5.2 – Solving Inequalities by Multiplication & Division.
2.4 “Writing Linear Equations” ***When writing equations of lines, substitute values for: y = mx + b Given: 1.Slope and y-intercept m = -3 b = 5 Step:
Chapter 4 – Graphing Linear Equations 4.4 – The Slope of a Line.
Time (days)Distance (meters) The table shows the movement of a glacier over six days.
SOLVING AND APPLYING PROPORTIONS
Chapter 3 Section 4. Objectives 1 Copyright © 2012, 2008, 2004 Pearson Education, Inc. Writing and Graphing Equations of Lines Use the slope-intercept.
Warm Ups (Wednesday 4/22) Jerry wants to ride in a hot air balloon. It costs $180 dollars to rent the balloon and an additional $30 dollars for each hour.
RATE OF CHANGE AND DIRECT VARIATION
Variation Functions Essential Questions
Applying Rates Chapter 3. Warm-Up 32 days = ______ hours 1 second = ______ minute 7 yards = ______ inches Write the given fraction in simplest form.
Slope-Intercept Form of a Linear Equation. Is this a linear equation? 3x + 2y = 6.
UNIT 3: LINEAR FUNCTIONS. What is a linear function?  It is a graph of a LINE, with 1 dependent variable or output or y and 1 independent variable or.
Linear Functions and Slope
College Algebra Chapter 2 Functions and Graphs Section 2.4 Linear Equations in Two Variables and Linear Functions.
Slope Formula. P1: ( -4, -5) P1: ( x 1, y 1 ) X 1 = -4, y 1 = -5 P2:( 4, 2) P2: (x 2, y 2 ) X 2 = 4, y 2 = 2 ( -4, -5) & ( 4,2)
3.5 Graphing Linear Equations in Slope-Intercept Form
Recall that the slope-intercept form of a linear equation of a non-vertical line is given by: Graphing Using Slope-Intercept Form.
+ CHAPTER 5 REVIEW. + U-Haul charges $25 a day to rent a moving truck and $2 per mile. A) Write an equation that gives total cost as a function of the.
3.5 Graphing Linear Equations in Slope-Intercept Form
SUMMARY POSITIVE SLOPE NEGATIVE SLOPE ZERO SLOPE UNDEFINED SLOPE.
Chapter 1 Linear Equations and Graphs
Students will be able to:
Splash Screen.
3.3 Rate of Change and Slope
Chapter 1 Linear Equations and Graphs
Converting between Standard form and Slope-Intercept form
Solving Linear Equations and Inequalities
Solving Two-Step Equations
Graphing Linear Equations in Slope-Intercept Form Notes 3.5
College Algebra Chapter 2 Functions and Graphs
1 Step Equation Practice + - x ÷
Chapter 3 Section 4.
Use a linear model to make a prediction.
DO NOW Add these vocabulary words to the Ch. 5 Vocab section of your notebook. 10. Point-slope form: y – y1 = m(x – x1) This is the form to use.
Warm- Up Jerry wants to ride in a hot air balloon. It costs $180 dollars to rent the balloon and an additional $30 dollars for each hour the balloon is.
4-1 Slope Intercept Form Word Problems
Starter Questions Convert the following to minutes :-
Solving Linear Equations and Inequalities
Systems of Linear Equations in Two Variables (by Elimination)
Chapter 3: Solving Equations
Objectives: To graph lines using the slope-intercept equation
COURSE 3 LESSON 3-3 Understanding Slope
Solving a System of Linear Equations
Unit 5: Linear Functions & Slope Intercept
ALGEBRA I - REVIEW FOR TEST 2-1
Notes Over 6.1 Graphing a Linear Inequality Graph the inequality.
Presentation transcript:

Chapter 3 Test Review

Writing Equations of Lines  I can state the formula for slope, am able to use the formula, and can apply that slope is a rate of change. I can find the slope given two points. I can find the slope from a graph.  I can find the equation of a line from given information including a graph, the slope and y-intercept, slope and a point, two points. I can find an equation of a line given a point and the slope. I can find an equation of a line given two points. I can find an equation of a line given a graph.  I can demonstrate computational fluency with addition, subtraction, multiplication, division, and powers of real numbers. I can convert units by using the appropriate ratios (dimensional analysis).  I can apply linear functions to model and solve application problems. I can solve application problems involving linear functions.  I can read and interpret graphs. I can read and interpret information given a graph.

Applying Rates  The speed of light is approximately 186, miles per second. What is the speed of light in miles per hour?

Applying Rates  Convert 100 feet per second to miles per hour.

Applying Rates  Determine the missing information.

The graph shows how the altitude of a hot air balloon changes during a 15-minute test flight.  Estimate the balloon’s rate of change in altitude at t = 3 min.

Finding slope.

Find the slope. State the real-world meaning of the slope.

Find the equation of the line. State the slope of the line.

 Find the equation of a line that passes through (-6, -1) and (-1, 4).

 Find the equation of a line that passes through (5, -1) and (4, -3).

 Find the equation of a line that passes through (-6, 2) and has a slope of -2/3.

 Find the equation of a line that passes through (-10, -3) and has a slope of 3/2.

 Find the equation of a line that passes through (2, -2) and has an undefined slope.

Spring Data Graph the given data. Label the axes. Find an equation that models the data. Define your variables.

WNBA Free Throw Leaders The graph of this data is on the next slide. Label the axes. Find an equation that models this data. Show all work on the next slide.

WNBA Free Throw Leaders