linear equations review

Housekeeping

• Practice, Practice, Practice!!!• Help Session Link• No Live Class – Oct. 26th through Oct. 29th

• Unit 2 Summative – Will be available by tomorrow!

UNIT 2LINEAR EQUATIONS

In this unit, you will solve single and multi-step linear equations. You will recognize and give examples of linear equations that have none, one, or infinitely many solutions.

Unit 2 Overview

Linear EquationNon-Linear EquationSolutionIdentityTermsLike TermsEquivalent ExpressionSimplifyDistributionProperties of EqualityInverse OperationsCoefficientVariable

Unit 2 Vocabulary

Unit 2 Level of Understanding- Level 2

Comprehend Vocabulary Identify the number of solutions of a given

equation Give an example of an equation with a given

number of solutions

Solve a Linear Equation Single and Multi-Step Using Distribution Collecting Like Terms Identify the number of solutions

Unit 2 Level of Understanding- Level 3

Review QuestionsWrite each of the following statements as a mathematic expression. State whether the expression is a linear or nonlinear expression in x.

Seven subtracted from five times a number, and then the difference added to nine times a number.

Review QuestionsWrite each of the following statements as a mathematic expression. State whether the expression is a linear or nonlinear expression in x.

Three times a number subtracted from the product of fifteen and the reciprocal of a number.

Review QuestionsWrite each of the following statements as a mathematic expression. State whether the expression is a linear or nonlinear expression in x.

Half of the sum of two and a number multiplied by itself three times.

Review QuestionsIs 8 a solution to Explain

Review QuestionsWrite three different equations that have x = 5 as a solution.

Review QuestionsUse the properties of equality to solve the equation 7x – 4 + x = 12. Check your solution.

Review QuestionsUse the properties of equality to solve the equation 3x + 2 – x = 11x + 9. Check your solution.

Review QuestionsSolve the equation.

Review QuestionsSolve the equation.

Review QuestionsGive a brief explanation as to what kind of solution(s) you expect the following linear equations to have. Transform the equation into a simpler form if necessary.

Review QuestionsGive a brief explanation as to what kind of solution(s) you expect the following linear equations to have. Transform the equation into a simpler form if necessary.

Review QuestionsSolve the equation.

What Now?Look up vocabulary termsIXL Practice – S.1, S.2, S.3