Practice CRCT Problem:

Slides:

Advertisements

Similar presentations

5.2 Systems of Linear Equations in Three Variables

Advertisements

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

Solving a System with Three Variables and Three Unknowns.

Solving Systems of three equations with three variables Using substitution or elimination.

WARM UP. Essential Question: How do you solve equations with exponents and radicals? SOLVING EQUATIONS WITH EXPONENTS AND RADICALS.

Part 2.  Review…  Solve the following system by elimination:  x + 2y = 1 5x – 4y = -23  (2)x + (2)2y = 2(1)  2x + 4y = 2 5x – 4y = -23  7x = -21.

Algebra II March 2 nd Students should complete warm-up problems. Given a graph of a system of equations students will be able to determine how many solutions.

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 =

Elimination Day 2. When the two equations don’t have an opposite, what do you have to do? 1.

Warm Up 03/25 Practice CRCT Problem: Combine the “like” terms below: − 7(n + 3) − 8(1 + 8n)

3.5 – Solving Systems of Equations in Three Variables.

6.5 – Applying Systems of Linear Equations

Solving a System of Equations by SUBSTITUTION. GOAL: I want to find what x equals, and what y equals. Using substitution, I can say that x = __ and y.

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.

6.6 DAY 2: More Elimination. 1. Line terms up vertically 2. Make sure one of the variables has opposite coefficients (Today, it is by multiplying…Like.

Solve the following system using the elimination method.

Section 5.3 Solving Systems of Equations Using the Elimination Method There are two methods to solve systems of equations: The Substitution Method The.

Notes – 2/13 Addition Method of solving a System of Equations Also called the Elimination Method.

7.4. 5x + 2y = 16 5x + 2y = 16 3x – 4y = 20 3x – 4y = 20 In this linear system neither variable can be eliminated by adding the equations. In this linear.

Warm Up A ___________________ is a letter used to represent an unknown. Evaluate the expression

Warm Up Solve. 1. 3x = = z – 100 = w = 98.6 x = 34 y = 225 z = 121 w = 19.5 y 15.

Solving Systems by Substitution

Solving Linear Systems by Substitution

SYSTEMS OF EQUATIONS. SYSTEM OF EQUATIONS -Two or more linear equations involving the same variable.

Warm Up 04/01 Practice CRCT Problem: Solve the following system of equations using the substitution method: 2x − 3y = − 1 y = x − 1.

Lesson 1.  Example 1. Use either elimination or the substitution method to solve each system of equations.  3x -2y = 7 & 2x +5y = 9  A. Using substitution.

Holt McDougal Algebra Solving Equations with Variables on Both Sides 1-5 Solving Equations with Variables on Both Sides Holt Algebra 1 Warm Up Warm.

Solving Linear Systems in Three Variables 3-6

3.6 Solving Systems of Linear Equations in Three Variables ©2001 by R. Villar All Rights Reserved.

Algebra 1 Section 3.4 Solve equations with variables on both sides of the equation. Solve: 17 – 2x = x Solve 80 – 9y = 6y.

TODAY IN GEOMETRY…  Review: Solving Linear Systems by Graphing  STATs for Ch.10 Test  Learning Goal: Solving Linear Systems by Substitution and Elimination.

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

Solving Linear Systems by Substitution

Practice Slope Intercept Form:

Warm UP: Solve the following systems of equations:

Today we will graph linear equations in slope intercept form.

Solving Quadratic Systems

Chapter 12 Section 1.

Solving Systems of Equations by Elimination2

Objective I CAN solve systems of equations using elimination with multiplication.

Solve Systems of Equations by Elimination

3.4 Solving Systems with 3 variables

Warm Up: SIMPLIFY.

Warm Up 1/14 Balanced or not? = =

Warm Up 1. Graph y = 2x – 3 2. Graph y = ½ x Graph 6x + 3y = 9

Warm Up 3x + 5y = 25 4x + 7y = 34 Find the value of x and y so that both equations are true.

Solving Linear Systems Algebraically

6-3 Solving Systems Using Elimination

Solving Systems of Equations by Elimination Day 2

Solve Systems of Equations by Elimination

Piecewise Quiz!.

Solving Systems of non-linear Equations

Systems OF EQUATIONS Elimination.

Warm-up: Find the equation of the parabola y = ax2 + bx + c that passes through the given points: (-1, 4), (1, -6), (2, -5) CW: 7.1 – 7.3 Systems Quiz.

Solving Systems of Equation by Substitution

Problem of the Day Solve for y and graph the equation: 4x – 5y = 14 a) State the rate of change b) State the y - intercept.

Solve Linear Systems by Substitution

3.6 Solving Systems with Three Variables

Solving Equations with Variables on Both Sides

Solving Equations with Variables on Both Sides

Warm Up 12/3/2018 Solve by substitution.

TWO STEP EQUATIONS 1. SOLVE FOR X 2. DO THE ADDITION STEP FIRST

Warm Up Check to see if the point is a solution for the

Practice CRCT Problem:

Warm-up: Solve the system by any method:

Multivariable Linear Systems

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

Notes: 2-1 and 2-2 Solving a system of 2 equations:

Solve the given system by elimination: 2) 4x + 2y = -2 2x – y = -3

Presentation transcript:

Practice CRCT Problem: Warm Up 03/18 What do you need to do to the 2nd equation in order to eliminate the “x” variable? 4x – 3y = 18 2x + y = 4 Practice CRCT Problem:

Closing 03/18 Reflection Question Which step did you find the most difficult in solving system of equation problems?

Practice CRCT Problem: Warm Up 03/19 Practice CRCT Problem: What do you need to do to the 1st equation in order to eliminate the “x” variable? y = x – 6 4x + 3y = 31

Closing 03/19 Reflection Question Which problem gave you the most difficulty today and why?

Practice CRCT Question: Warm Up 03/20 Practice CRCT Question: What must you do to both equations in order to eliminate the “x” variable? 3x + 7y = -1 2x + 3y = 1

Closing 03/20 Reflection Question Which problem gave you the most difficulty today and why?

Practice CRCT Problem: Warm Up 03/21 Practice CRCT Problem: What must you do to both equations in order to eliminate the “x” variable? 4x + 3y = 13 5x – 3y = -4

Closing 03/21 Reflection Question Which problem gave you the most difficulty today and why?

Practice CRCT Problem: Warm Up 03/22 Practice CRCT Problem: What must you do to the 2nd equation in order to eliminate the “y” variable? 5x – 2y = 18 3x + y = 10

Closing 03/22 Brainstorming Question Think about different way how you can use your index cards in order to study for the upcoming quiz on systems of equations.