Tuesday Warm Up Suppose a first class postage stamp is 48¢ for a 3 oz. letter. To the nearest dollar, how much would it cost to send a ton of mail? (1.

Slides:

Advertisements

Similar presentations

Splash Screen Inequalities Involving Absolute Values Lesson5-5.

Advertisements

Solving Equations = 4x – 5(6x – 10) -132 = 4x – 30x = -26x = -26x 7 = x.

Notes Over is what percent of 140?

Writing and Solving Proportions. Proportions Proportion is an equation stating that two ratios are equivalent. Proportional are two quantities that form.

Using Cross Products Lesson 6-4. Cross Products When you have a proportion (two equal ratios), then you have equivalent cross products. Find the cross.

Finding a Percent of a Number Lesson 6-7. Using a Proportion Set up a proportion that uses the percent over 100. Cross multiply to write an equation.

WARM - UP. SOLVING EXPONENTIAL & LOGARITHMIC FUNCTIONS SECTION 3.4.

Exponents Properties. Warm Up Solve the following equations: 3 = 3x + 1 6x + 7 = 61 5a – 34 = -9.

Using the quadratic formula, please solve the following equations:

DO NOW: FACTOR EACH EXPRESSION COMPLETELY 1) 1) 2) 3)

Day Problems Solve each equation. Check your answer. 1. x – 3 = 102. m – 3 = = a = k

Proportional Reasoning Section 2.3. Objectives:  To solve problems using proportional reasoning.  Use more than one method to solve proportional reasoning.

USING PROPORTIONS (OBJECTIVE: USING PROPORTIONS TO SOLVE REAL WORLD PROBLEMS) MS. BATTAGLIA/ MR. BALDINO.

Factor. 1)x² + 8x )y² – 4y – 21. Zero Product Property If two numbers multiply to zero, then either one or both numbers has to equal zero. If a.

1. What Are You Learning? I CAN solve proportions. 2.

Section 4-4 p. 170 Goal – to use proportions to solve problems.

Solving Absolute Value Equations. Warm Up With a partner find the absolute value of the following:

3.2 Solving Equations by Using Addition and Subtraction Addition Property of Equality –If the same number is added to each side of an equation, the resulting.

Do Now 3x – 6y = -3 2x + 4y = 30.

2.1 Solving One Step Equations. Addition Property of Equality For every real number a, b, and c, if a = b, then a + c = b + c. Example 8 = For every.

2.1 – Linear and Quadratic Equations Linear Equations.

Review 4-1 Ratios and Proportions. Find the Unit Rate $50 for 8 h.

Wednesday Warm Up. Applications of Proportions Objective: By the end of today’s lesson, you will be able to solve proportions and use proportions to solve.

Warm Up. 4.3 Solve by Factoring Find this in your notes!

Warm Up Suppose you have a roll of 33¢ stamps and a roll of 15¢ stamps. You need to mail a package that will cost $1.77. What combination of stamps can.

2.4 Equations with Variables on Both Sides To solve an equation with variables on both sides, you must use the Addition or Subtraction Properties of Equality.

Ratios and Proportions Percent Change. Proportion – Statement showing two ratios as equal.

Today in Algebra 2 Get a calculator. Go over homework Notes: –Solving Systems of Equations using Elimination Homework.

Algebra 1 Warm up #3 Solve by factoring:.

Finding a Percent of a Number

Unit 5: Quadrilaterals & Polygons

Solving Linear Equations and Inequalities

Notes Over 4.2 The Multiplication Property of Equality

A proportion is an equation that states two ratios are equal

Do now In skills review packet #

Lesson 85 Warm Up Pg. 441.

Unit 5: Quadrilaterals & Polygons

Unit 5: Quadrilaterals & Polygons

2-7 Solving Proportions.

Solving Linear Equations with Fractions

Finding a Percent of a Number

Lesson 5.2 Proportions Students will be able use cross multiply to determine if the two ratios are equivalent.

A quadratic equation is written in the Standard Form,

Take out Friday’s Practice Worksheet!!!

I CAN solve equations using the Quadratic Formula. lesson 9.4a.

Lesson 7.4e Repeating Decimals

2-7 Solving Proportions.

Finding a Percent of a Number

Finding a Percent of a Number

Thursday Warm Up Your car averages 34 miles per gallon of gas on the highway. If gas costs $2.79 per gallon, how much does it cost in dollars per mile.

Bellwork~Solve 1.) x - 2 = 5 2.) 2x - 7 = 9 3.)(2x-7) - 5 = 4.

Solving Systems by Substitution

Warm Up – August 14, 2017 Solve for y. 3 + y = 2x 6x = 3y

Unit 5: Quadrilaterals & Polygons

Warm-Up 5 minutes Factor the following expressions: 2) x2 - 3x

Solve the following equations.

Find each number. Round to the nearest tenth if necessary.

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

Warm-Up #40 Monday, 1/11/2016 Use both substitution and elimination method to solve the systems of equation for x – 9y = -13 2x + y = -7.

Tuesday’s Warm Up.

Warm-Up #21 (Tuesday, 10/20) Given 3x + y = 3, if y = 3 find the value of x 4x + 2x – 2 = 42 solve for x.

5 minutes Warm-Up Solve. 2) 1).

Lesson 6 Ratio’s and Proportions

Understanding Proportions

Using Cross Products Chapter 3.

Chapter Five: Ratios and Proportions

Presentation transcript:

Tuesday Warm Up Suppose a first class postage stamp is 48¢ for a 3 oz. letter. To the nearest dollar, how much would it cost to send a ton of mail? (1 lb. = 16 oz. and 1 ton = 2000 lb.)

Proportions Objective: By the end of today’s lesson, you will be able to solve proportions and use proportions to solve various real world problems

Proportions Proportion: An equation that states two ratios are equal

Properties of Proportions

Properties of Proportions

Properties of Proportions

Properties of Proportions

Solving Proportions

Solving Proportions

Solving Proportions

Solving Proportions

Solving Proportions

Solving Proportions

Solving Proportions

Solving Proportions

Homework Work on the solving proportions worksheet.