Evaluation Solving Equations by Inspection

Slides:

Advertisements

Similar presentations

Equations and Their Solutions

Advertisements

Basic Algebra Grade: 9 th Gustavo Miranda LRC 320.

Copy and complete using a review term from the list below.

Vocabulary Chapter 6.

Intro to Algebra/Geometry Solving Equations by Adding or Subtracting.

Unit 1: Number Sense Minds On. Unit 1: Number Sense Lesson 7 - Substitution Learning Goal I can evaluate expressions containing variables by substituting.

Lesson Objective: I can…

Bell Work: Find the values of all the unknowns: R T = R T T + T = 60 R = 3 R =

2 pt 3 pt 4 pt 5pt 1 pt 2 pt 3 pt 4 pt 5 pt 1 pt 2pt 3 pt 4pt 5 pt 1pt 2pt 3 pt 4 pt 5 pt 1 pt 2 pt 3 pt 4pt 5 pt 1pt Vocab, True Or False Evaluate Expressions.

Formulas and Literal Equations Unit 4, Lesson 6. Literal Equation A literal equation is __________________ _____________________________________ _____________________________________.

Unit 3 Equal or Not.

Goal: Solve linear equations.. Definitions: Equation: statement in which two expressions are equal. Linear Equation (in one variable): equation that.

Evaluating Algebraic Expressions 1-7 Solving Equations by Adding or Subtracting Preparation for AF4.0 Students solve simple linear equations and inequalities.

MM150 Unit 3 Seminar Agenda Seminar Topics Order of Operations Linear Equations in One Variable Formulas Applications of Linear Equations.

Chapter 4 Lesson 1 Inequalities and their Graphs.

WARM UP EVALUATING EXPRESSIONS Evaluate the expression for the given value of the variable (Lesson 2.5). 1.-3(x) when x = 9 2.4(-6)(m) when m = (-n)(-n)

Do Now 3x – 6y = -3 2x + 4y = 30.

AGENDA WARM-UP HOMEWORK QUESTIONS?? LESSON 12 CORRECTIONS LESSON 14 EXIT CARD.

Solving Linear Systems by Substitution

Chapter 1: Variables in Algebra

Equations Students will be able to solve equations using mental math, or guess and check.

Warm Up Simplify.  3   15  (9 + 2)  7  5

Equations and Solutions Core Focus on Introductory Algebra Lesson 3.1.

Solving a System of Equations in Two Variables By Substitution Chapter 8.2.

Warm-up. Systems of Equations: Substitution Solving by Substitution 1)Solve one of the equations for a variable. 2)Substitute the expression from step.

Notes 6.5, Date__________ (Substitution). To solve using Substitution: 1.Solve one equation for one variable (choose the variable with a coefficient of.

6-2 SOLVING LINEAR SYSTEMS BY SUBSTITUTION Goal: Use substitution to solve a linear system Eligible Content: A / A

Using Number Sense to Solve One-Step Equations Lesson 2-5.

Bell Work: Simplify 4/5 + 1/2. Answer: 4/5 + ½ = 13/10 or 1 3/10.

2-1 Variables and Expressions Course 1 Lesson Presentation Lesson Presentation Problem of the Day Problem of the Day 2-1 Variables and Expressions Course.

Essential Question: How do we Evaluate Algebraic Expressions? (+ & -) U3D4.

Essential Question: How do we Evaluate Algebraic Expressions? (● & /) U3D5.

Equations and Inequalities. Unit 8 – Solving Inequalities.

Five-Minute Check (over Lesson 2–3) Mathematical Practices Then/Now

Solving Equations A. CED

Using Number Sense to Solve One-Step Equations

Equations Quadratic in form factorable equations

Chapter 12 Section 1.

Using Number Sense to Solve One-Step Equations

Solving Equations with the Variable on Each Side

1-5 Equations Goals: Solve equations with one variable

Tools for Algebra Vocabulary

Variables and Expressions

3-2: Solving Systems of Equations using Substitution

CLASSWORK Lesson 1 Issued: 2/5/18 Key Vocabulary:

Solve a system of linear equation in two variables

Simplify Expressions 34 A number divided by 3 is 7. n ÷ 3 = 7.

3-2: Solving Systems of Equations using Substitution

Solving Systems of Equations using Substitution

Algebraic Expressions and Substitutions

What is an equation? An equation is a mathematical statement that two expressions are equal. For example, = 7 is an equation. Note: An equation.

CLASSWORK Lesson 2 Issued: 2/6/18 Key Vocabulary:

Introduction to Variables, Algebraic Expressions, and Equations

3-2: Solving Systems of Equations using Substitution

6-2 Solving Linear Systems by substitution

If you can easily isolate one of the variables,

Evaluating Algebraic Expressions

Section 6.1 Order of Operations

3-2: Solving Systems of Equations using Substitution

SUBSTITUTION At the end of this lesson you should :

Section 6.1 Order of Operations

Equations Quadratic in form factorable equations

Algebraic Expression A number sentence without an equal sign. It will have at least two terms and one operations.

Algebra: Variables and Expressions

3-2: Solving Systems of Equations using Substitution

3-2: Solving Systems of Equations using Substitution

Learn to identify and evaluate expressions.

= Today’s Objective To be able to evaluate variable expressions

3-2: Solving Systems of Equations using Substitution

3-2: Solving Systems of Equations using Substitution

Presentation transcript:

Evaluation Solving Equations by Inspection Lesson 14 Power Up C Page 92

Vocabulary Equation: states two quantities are equal, has an = sign Variable: letter(s) in an equation Constant: number in an equation, doesn’t change Evaluate: Substitute numbers for variables & solve Solution: the number for a variable that makes the equation true.

Parts of an Equation Constant 3 ×𝑛=15 Variable Equation

Examples a. A formula for the area (A) of a parallelogram is A = bh. Find the area of a parallelogram with a base (b) of 12 in. and a height (h) of 4 in. b. In the expression 4ac, what is the constant? c. Evaluate 4ac for a = 1 and c = 12.

Examples j. 2𝑎 −1=9 k. 20=3𝑓 −1 l. Admission to the county fair is $3. Each ride costs $2. Nate has $15. Solve the following equation to find how many rides he can take. 2𝑟+3=15