The Betting Game.

Slides:



Advertisements
Similar presentations
Warm-Up Exercises 2. You are running one ad that costs $6 per day and another that costs $8 per day. You can spend no more than $120. Name a possible combination.
Advertisements

• Write an inequality that describes your goal in terms of x and y.
Objective: To graph linear inequalities in two variables.
EXAMPLE 3 Standardized Test Practice SOLUTION
Solving Systems of three equations with three variables Using substitution or elimination.
EXAMPLE 4 Graph a linear inequality in one variables Graph the inequality y  –3. SOLUTION Graph the equation y = –3. The inequality is , so use a solid.
EXAMPLE 6 Solve a multi-step problem Job Earnings You have two summer jobs at a youth center. You earn $8 per hour teaching basketball and $10 per hour.
EXAMPLE 1 Solve absolute value inequalities
3.5 Solving systems of equations in 3 variables
Write and graph a direct variation equation
7.1 SOLVING SYSTEMS BY GRAPHING The students will be able to: Identify solutions of linear equations in two variables. Solve systems of linear equations.
Graphing Linear Inequalities
Substitute 0 for y. Write original equation. To find the x- intercept, substitute 0 for y and solve for x. SOLUTION Find the x- intercept and the y- intercept.
Substitute 0 for y. Write original equation. To find the x- intercept, substitute 0 for y and solve for x. SOLUTION Find the x- intercept and the y- intercept.
Set Operations and Compound Inequalities. 1. Use A = {2, 3, 4, 5, 6}, B = {1, 3, 5, 7, 9}, and C = {2, 4, 6, 8} to find each set.
 Solve one of the equations for one of the variables.  Isolate one of the variables in one of the equations.  Choose whichever seems easiest.  Substitute.
GraphingSubstitutionEliminationNon-LinearInequalities
3.6 Solving Absolute Value Equations and Inequalities
EXAMPLE 1 Find a positive slope Let (x 1, y 1 ) = (–4, 2) = (x 2, y 2 ) = (2, 6). m = y 2 – y 1 x 2 – x 1 6 – 2 2 – (–4) = = = Simplify. Substitute.
Section 5.3 Solving Systems of Equations Using the Elimination Method There are two methods to solve systems of equations: The Substitution Method The.
Graphing Systems Substitution.
Example 1: Solve. 4x + 6 = x 4x + 6 = x – 4x – 4x Subtract 4x from both sides. 6 = –3x 6 –3 –3x = Divide both sides by –3. –2 = x.
7.6 Warm Up Warm Up Lesson Quiz Lesson Quiz Lesson Presentation Lesson Presentation Solve Systems of Linear Inequalities.
6.5 Solving System of Linear Inequalities: VIDEOS equations/v/solving-linear-systems-by-graphing.
Solve > –2. Graph the solution. Solving Inequalities by Multiplying or Dividing COURSE 3 LESSON 2-7 p3p3 > –2 p3p3 (3) > –2(3)Multiply each side by 3.
Which list of numbers is ordered from least to greatest? 10 –3, , 1, 10, , 1, 10, 10 2, 10 – , 10 –3, 1, 10, , 10 –3,
Solving a System of 3 Equations with 3 Unknowns. Breakdown Step 1 Labeling Step 2 Reduce to a 2 by 2 Step 3 Substitute Back In Step 4 Check Solution.
How do you model a problem in which two or more equations have solutions that are constrained? For example, how can you find the range of scores you need.
Warm-Up Exercises EXAMPLE 1 Standardized Test Practice What are the solutions of 3x 2 + 5x = 8? –1 and – A 8 3 B –1 and 8 3 C 1 and – 8 3 D 1 and 8 3 SOLUTION.
Chapter 3 Section 2. EXAMPLE 1 Use the substitution method Solve the system using the substitution method. 2x + 5y = –5 x + 3y = 3 Equation 1 Equation.
Warm-Up Solve the system by graphing y = x + 2 x = −3 Solve the system by graphing 4x + y = 2 x − y = 3.
SOLVING SYSTEMS OF LINEAR EQUATIONS BY GRAPHING, SUBSTITUTION, OR ELIMINATION.
Unit 8 Solving Inequalities Essential Question: How can you use inequalities to solve real world problems?
Review For Quiz.
Section 1-3: Solving Equations 8/29/17
Matrices Task.
Solve: 1) x + 5 = 9. x + 5 > 9 2) y – 6 = -3
3.3 – Solving Systems of Inequalities by Graphing
1. Is –9 a solution of a + 7 = –2? ANSWER yes
Thanksgiving Pie Problem
(-4, -7) (2, 1) (-65, -30) Warm-up Solve by linear combination
Key Concept: Addition and Subtraction Properties of Inequality
Solving linear simultaneous equations
5.2 Solving Systems Using Substitution
Solving Two-Step Inequalities
Real World Applications
Solve a system of linear equation in two variables
Lesson 5-3 Solving Systems by Elimination
Solving Equations with Variables on Both Sides
3.5 Solving systems of equations in 3 variables
Let {image} Use substitution to determine which elements of S satisfy the inequality {image} Select the correct answer(s): {image}
Modeling Multiplication Equations
Day 8 – Linear Inequalities
Systems Of Equations Word Problems.
Solve systems of equations using ELIMINATION
Warm Up Lesson Presentation Lesson Quiz
Solve the equation 3+6
Warm Up Problem of the Day Lesson Presentation Lesson Quizzes.
Which of the following graphs corresponds to the inequality {image} ?
Warm up – (HW review from yesterday)
Solving systems using substitution
Solve the equation: 6 x - 2 = 7 x + 7 Select the correct answer.
Systems of Equations Solve by Graphing.
Unfair Math Game review unit 4
Integrated Math One Module 5 Test Review.
Name ________________________________________________
Choose a number greater than 8, substitute for y and solve:
Warm Up Solve. 1. 2x + 8 = x – 7 2. –4(x + 3) = –5x – 2
Solve systems of equations using ELIMINATION
Warm-Up Monday, October 7th Solve for y -4x+7y=28 Solve by Elimination
Presentation transcript:

The Betting Game

Solve the system 4x – y = 20 -2x-2y = 10

Place your bets!

Solve the system 4x – y = 20 -2x-2y = 10

(3, -8)

Erik brings $27 the florist to buy flowers for his girlfriend Erik brings $27 the florist to buy flowers for his girlfriend. A rose cost $3 each and a tulip cost $2 each. Erik knows that he does not want to buy more than 4 tulips. Let r represent the number of roses and let t represent the number of tulips. In addition to r ≥ 0 and t ≥ 0, write a set of inequalities that Erik can use to guide his choice of flowers.

Place your bets!

Erik brings $27 the florist to buy flowers for his girlfriend Erik brings $27 the florist to buy flowers for his girlfriend. A rose cost $3 each and a tulip cost $2 each. Erik knows that he does not want to buy more than 4 tulips. Let r represent the number of roses and let t represent the number of tulips. In addition to r ≥ 0 and t ≥ 0, write a set of inequalities that Erik can use to guide his choice of flowers.

3r + 2t ≤ 27 t ≤ 4

Solve using substitution or elimination 3x + 2y – z = 10 2x + y + z = -2 2x + 3y + z = 4

Place your bets!

Solve using substitution or elimination 3x + 2y – z = 10 2x + y + z = -2 2x + 3y + z = 4

(− 1 5 , 3, − 23 5 )

Lauren is packing fruit into bags for a donation project Lauren is packing fruit into bags for a donation project. The apples weigh 5 oz. each and the bananas weigh 6 oz. each. Lauren needs to pack bags so that there are at least 15 pieces of fruit in each bag, but the bags cannot weigh more than 40 ounces. Given that x is the number of apples and y is the number of bananas, identify Lauren’s constraints. Choose all that apply! A. 5x + 6y ≥ 40 B. x + y ≥ 15 C. 5x + 6y ≤ 40 D. x ≥ 0 and y ≥ 0 E. x + y ≤ 15 F. x ≥ 15 and y ≥ 40

Place your bets!

Lauren is packing fruit into bags for a donation project Lauren is packing fruit into bags for a donation project. The apples weigh 5 oz. each and the bananas weigh 6 oz. each. Lauren needs to pack bags so that there are at least 15 pieces of fruit in each bag, but the bags cannot weigh more than 40 ounces. Given that x is the number of apples and y is the number of bananas, identify Lauren’s constraints. Choose all that apply! A. 5x + 6y ≥ 40 B. x + y ≥ 15 C. 5x + 6y ≤ 40 D. x ≥ 0 and y ≥ 0 E. x + y ≤ 15 F. x ≥ 15 and y ≥ 40

B, C, and D

Graph the solution to |3x + 1| + 3 > 10

Place your bets!

Graph the solution to |3x + 1| + 3 > 10

Johnaon wants to buy something for himself with his pocket money Johnaon wants to buy something for himself with his pocket money. He has a budget of $105 to spend on $25 T-shirts, $10 CDs, $5 books. He wants to buy 10 items and wants to buy as many books as T-shirts and CDs combined. How many of each item should he buy? Write a system of equations to help you solve this problem.

Place your bets!

Johnaon wants to buy something for himself with his pocket money Johnaon wants to buy something for himself with his pocket money. He has a budget of $105 to spend on $25 T-shirts, $10 CDs, $5 books. He wants to buy 10 items and wants to buy as many books as T-shirts and CDs combined. How many of each item should he buy? Write a system of equations to help you solve this problem.

2 T−shirts, 3 CDs, 5 books

Tiebreaker Solve. First student to get the correct answer wins. 2x + 3y + 4z = 14 x + 1.5y + 2z = -6 4x + 6y + 8z = 17 Answer: no solution

Did you win?