1.Start by substituting another variable (like y) for 2x and solve like we have before, BUT you must include all answers in the specified domain 2.Then.

Slides:



Advertisements
Similar presentations
8-2: Solving Systems of Equations using Substitution
Advertisements

Solve a System Algebraically
When solving trig equations there are a few things to keep in mind: 1.Before you solve any trig equation, check the domain of the problem. (Is it asking.
Solve an equation with variables on both sides
7.8 Equations Involving Radicals. Solving Equations Involving Radicals :  1. the term with a variable in the radicand on one side of the sign.  2. Raise.
Warm Up 1) Is (-3, 4) a solution to the system? 2)Solve the system by graphing y = -2x + 5 2y = x - 2.
3.5 Solving systems of equations in 3 variables
Trigonometric Equations Edited by Mr. Francis Hung Last Updated: 2013–03–12 1http:///
SOLUTION RUNNING The distance d (in miles) that a runner travels is given by the function d = 6t where t is the time (in hours) spent running. The runner.
Algebra I Chapter 10 Review
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.
3x – 5y = 11 x = 3y + 1 Do Now. Homework Solutions 2)2x – 2y = – 6 y = – 2x 2x – 2(– 2x) = – 6 2x + 4x = – 6 6x = – 6 x = – 1y = – 2x y = – 2(– 1) y =
4.4 Equations as Relations
Trigonometric Equations Edited by Mr. Francis Hung Last Updated:
Solving Equations by Adding or Subtracting Objective: Solve equations using the addition and subtraction properties of equalities.
Substitution Method: 1. Solve the following system of equations by substitution. Step 1 is already completed. Step 2:Substitute x+3 into 2 nd equation.
Solving by Elimination Example 1: STEP 2: Look for opposite terms. STEP 1: Write both equations in Standard Form to line up like variables. STEP 5: Solve.
Elimination Method: Solve the linear system. -8x + 3y=12 8x - 9y=12.
Solving Linear Systems by Substitution
Solve Linear Systems by Substitution January 28, 2014 Pages
Exponential and Logarithmic Equations
1.graph inequalities on a number line. 2.solve inequalities using addition and subtraction. Objective The student will be able to:
WARM UP GRAPHING LINES Write the equation in slope- intercept form and then Graph. (Lesson 4.7) 1.3x + y = 1 2.x + y = 0 3.y = -4 3.
Solving a System of Equations in Two Variables By Substitution Chapter 8.2.
Systems of Equations and Inequalities Advanced Math Chapter 9.
Warm-up. Systems of Equations: Substitution Solving by Substitution 1)Solve one of the equations for a variable. 2)Substitute the expression from step.
Example 1 Solving a Nonlinear System Algebraically Chapter 7.5 Use substitution to solve the system and check the solution.  2009 PBLPathways.
Objective solve systems of equations using elimination.
SOLVING SYSTEMS OF EQUATIONS BY SUBSTITUTION PRACTICE PROBLEMS.
Solving Systems by Substitution (isolated) Solving Systems by Substitution (not isolated)
Warm Up Find the solution to linear system using the substitution method. 1) 2x = 82) x = 3y - 11 x + y = 2 2x – 5y = 33 x + y = 2 2x – 5y = 33.
X.2 Solving Systems of Linear Equations by Substitution
Solving Systems of Equations using Elimination
Solve an equation by multiplying by a reciprocal
9P9: Solve 2X2 systems by substitution
3-2: Solving Systems of Equations using Substitution
Warm-Up Solve the system by substitution..
Solve a system of linear equation in two variables
3.5 Solving systems of equations in 3 variables
SYSTMES OF EQUATIONS SUBSTITUTION.
3-2: Solving Systems of Equations using Substitution
Solving Systems of Equations using Substitution
7.4 Solve Linear Systems by Multiplying First
Section 4.7 Forming Functions from Verbal Descriptions
Do Now 1) t + 3 = – 2 2) 18 – 4v = 42.
Logarithmic and exponential equations
3-2: Solving Systems of Equations using Substitution
3.2a – Solving Systems algebraically
Trigonometric Functions of Any Angle (Section 4-4)
Before: December 4, 2017 Solve each system by substitution. Steps:
Notes Solving a System by Elimination
If you can easily isolate one of the variables,
Solving One-Step Equations
Objectives Identify solutions of linear equations in two variables.
Solving systems using substitution
Solving Equations with Variables on Both Sides
Solving Equations with Variables on Both Sides
Systems of Equations.
Warm-Up Solve the system by graphing..
3-2: Solving Systems of Equations using Substitution
Unit 8 – Systems of Equations.
( , ) ( , ) ( , ) ( , ) ( , ) ( , ) ( , ) ( , ) ( , ) ( , ) ( , )
3-2: Solving Systems of Equations using Substitution
3-2: Solving Systems of Equations using Substitution
3-2: Solving Systems of Equations using Substitution
3-2: Solving Systems of Equations using Substitution
Logarithmic and exponential equations
Warm- Up: Solve by Substitution
6.5 Solving Trig Equations & Inequalities
Presentation transcript:

1.Start by substituting another variable (like y) for 2x and solve like we have before, BUT you must include all answers in the specified domain 2.Then set each answer = to 2x 3.We only want answers in the specified domain (double check to make sure you have all possible solutions)

Example 1) Solve for all in degrees. Answers must be exact!

Example 2) Solve for in degrees for [0,360°). Answers must be exact!

Example 3) Solve for all x in radians. Answers must be exact!

Example 4) Solve for x in radians for [0, 2π). Answers must be exact!

Example 5) Solve for θ in degrees for [0°,360°). Answers must be exact!

Example 6) Solve for x in radians for [0,2π). Answers must be exact!