L L LR R R On regressions, if values come out as the following….round! 1.5 E -12 =0 1.74999998 =1.75 Notes 5.6 Calculator and quadratics practice Chart.

Slides:

Advertisements

Similar presentations

Exponential Regression

Advertisements

6.6 Trig Equations & Inequalities in Quadratic Form.

2.5 Graphing Quadratic Functions. There are two main methods for graphing a quadratic I. From Standard Form f (x) = ax 2 + bx + c Axis of Symmetry: Vertex:

Identifying the general polynomial shape Example 1 General Rule: Basic polynomial function is one more that the number of direction changes.

Parts of a Parabola and Vertex Form

EXAMPLE 3 Approximate a best-fitting line Alternative-fueled Vehicles

9.4 – Solving Quadratic Equations BY GRAPHING!. Warm-Up.

Algebra T3 Today: 9.3 Check Up 9.4 Instruction Break Finish 9.4 Practice All Dreams can come true. If we have the courage to pursue them. Walt Disney.

Chapter 4 Section 4-1 Solving Quadratic Equations in Calculator.

Quiz review Direction of Opening Y – intercept Vertex AOS

I.Writing the Equation of a Parabola. When you know the vertex and a point on a parabola, you can use vertex form to write an equation of the parabola.

Dealing with Data Basic Steps to Using the TI-83 Graphing Calculator.

Jeopardy Factoring Quadratic Functions Zeroes and Vertex Describing Polynomials Modeling & Regression Q $100 Q $200 Q $300 Q $400 Q $500 Q $100 Q $200.

For your second graph, graph 3f(x – 2) + 1.

Chapter 4 Applications of Quadratic Models. To graph the quadratic equation y = ax 2 + bx +c  Use vertex formula x v = -b/2a  Find the y-coordinate.

QUADRATIC FUNCTIONS CHAPTER 5.1 & 5.2. QUADRATIC FUNCTION A QUADRATIC FUNCTION is a function that can be written in the standard form: f(x) = ax 2 + bx.

3.2 Properties of Quadratic Relations

Scatter Plots, Correlation and Linear Regression.

1. Use the discriminant to determine the number and type of roots of: a. 2x 2 - 6x + 16 = 0b. x 2 – 7x + 8 = 0 2. Solve using the quadratic formula: -3x.

Tables and graphs taken from Glencoe, Advanced Mathematical Concepts.

The sum or difference of monomial functions. (Exponents are non-negative.) f(x) = a n x n + a n-1 x n-1 + … + a 0 Degree of the polynomial is the degree.

Solving Quadratic Equations by Graphing 4 Lesson 10.2.

Sec. 2-4: Using Linear Models. Scatter Plots 1.Dependent Variable: The variable whose value DEPENDS on another’s value. (y) 2.Independent Variable: The.

Today in Algebra 2 Go over homework Need a graphing calculator. More on Graphing Quadratic Equations Homework.

Systems of Equations A group of two or more equations is called a system. When asked to SOLVE a system of equations, the goal is to find a single ordered.

Graphing Calculator Steps Steps to follow to find the vertex of a parabola & to find the zeros of a parabola. Make sure you view this in presentation mode.

Solving Quadratic Equations By: Jessica Campos. Solving Quadratic Equations by Graphing F(x)= x 2 -8x+15=0 X=(x-3)(x-5) X=3 and 5 Steps to put into a.

Solve and analyze systems of equations by graphing and comparing tables.

Day 102 – Linear Regression Learning Targets: Students can represent data on a scatter plot, and describe how the variables are related and fit a linear.

Quadratic Functions and their Characteristics Unit 6 Quadratic Functions Math II.

1.8 Quadratic Models Speed (in mi/h) Calories burned Ex. 1.

Regression and Median Fit Lines

WARMUP (3,2)X=3 All Real Numbers y ≤ 2 Reflected over x Stretched vertically, right 3, up 2 (2,0) (4,0) (0, -16)

Objectives: Be able to identify quadratic functions and graphs Be able to model data with a quadratic functions in the calculator.

February 1, 2012 At the end of today, you will be able to find the solutions/roots/zeros/x-intercepts of a quadratic function by graphing. Warm-up: Identify.

Using the calculator to find the Line of Best Fit For the TI – 84 Plus.

+ Completing the Square and Vertex Form. + Completing the Square.

5.8: Modeling with Quadratic Functions Objectives: Students will be able to… Write a quadratic function from its graph given a point and the vertex Write.

Plotting Data & the Finding Regression Line. Clear Old Data 2 nd MEM 4 ENTER.

Chapter 4: Polynomials Quadratic Functions (Section 4.1)

UNIT 8 Regression and Correlation. Correlation Correlation describes the relationship between two variables. EX: How much you study verse how well you.

UNIT 1: QUADRATICS Final Exam Review. TOPICS TO COVER  GCF  Factoring  Solving Quadratic Equations  Graphing Quadratic Equations  Projectile Motion.

Warm Up 1. Solve the world problem given to you group. Also use the discriminant to figure out how many solutions your problem would have. 2. Solve using.

Warm - up 1) Enter the data into L1 and L2 and calculate a quadratic regression equation (STAT  calc Quadreg). Remember: time – x distance – y. 2) Find.

CCA WK 24 Review. Vertex Form to Standard Form y = 3(x – 3) Multiply the binomial: 3(x – 3)(x – 3) + 5 3(x 2 – 6x + 9) + 5 Distribute the “a”: 3*x.

MODELING WITH QUADRATIC FUNCTIONS 4.3 NOTES. WARM-UP The path of a rocket is modeled by the equation How long did it take the rocket to reach it’s max.

NON-LINEAR RELATIONSHIPS. In previous sections we learned about linear correlations (relations that could be modelled by lines).

Welcome to Coach Hardin’s Algebra I Class

Parts of a Parabola and Vertex Form Section 2.1

2.5 Scatter Plots & Lines of Regression

Questions? Standard. Questions? Standard Questions? Honors.

Parts of a Parabola and Vertex Form

6.2 Solving Quadratic Equations by Graphing

Solving Quadratic Equation by Graphing

Quadratic Regression.

Warm-Up March 10th Find the perimeter and area of the rectangle below.

Finding Solutions by graphing

Warm Up Let’s find the vertex of the following quadratic equation and state whether it is a maximum point or minimum point.

9.2 Standard Form & Properties of Quadratics

Linear Functions and Modeling

2.4 Linear Functions and Models

Flashback Write an equation for the line that satisfies the given conditions. 1) through: (1, 2), slope = 7 2) through: (4, 2), parallel to y =-3/4.

Warm up Put each of the following in slope intercept form 6x + 3y = 12

Which graph best describes your excitement for …..

7.2 Writing Quadratic Functions and Models

Graph the system of inequalities.

Warm up honors algebra 2 3/7/19

Finding Statistics from a Grouped frequency table

Presentation transcript:

L L LR R R On regressions, if values come out as the following….round! 1.5 E -12 = =1.75 Notes 5.6 Calculator and quadratics practice Chart to help identify boundaries for vertex and s/r/z

Labeling the Graph L R L R R L Zero Max (vertex) Min (vertex) L R L R R L Zero

Go to 2 nd trace to find A. Max or min (vertex) (round to 1000ths ) B.All S/R/Z (round to 10ths) C.Find f(– 12.5) D.Y-intercept xy Note that 2 nd differences are the same’ thus this data is _______________________ What equation models this data? Quadratic

How to find an equation given points Stat edit (enter points in L 1 and L 2 ) Stat  Calc Quadratic regression Enter Transfer equation to y= Y= vars #5 (statistics) EQ Enter Find vertex or zero 2 nd trace (calc) Choose # Set lt and rt boundaries When it says guess hit Enter Find prediction 2 nd window (table set) Put # in table start table

Go to 2 nd trace to find: A. Max or min (vertex) : B.All zeros C.Find f(3.5) D.y-intercept

(, ) Word Problem Hint V (x, y) When?X How high? Max money? Y V ( time, height ) Max money

Quadratics and Systems of Equations Multiply the second equation by -2 (3,23)

Quadratics and Systems of Equations Substitute for y Pick a factoring method.

Practice/ Makerboards: odds do 1/3 and even 2/ Change #3 to match mine!