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Solving Equations with 2 Steps and Checking on Calculator

Determine if the product of x and y is rational or irrational. Objective: Students will solve equations with 2 steps and check using a graphing calculator.

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Solving Equations with 2 Steps and Checking on Calculator

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  1. Do your best! You have 3 minutes! Determine if the product of and is rational or irrational. Explain your answer.

  2. Objective: Students will be able to solve equations with 2 steps and check on The graphing calculator Agenda -Problem of the Day - Job 2 Steps to Solving Multi-step Equations - Puzzle -Exit Ticket • How Assessed: Puzzle Due Fri End of Class Need HELP! Stay After Thurs Innovation Cafeteria 3-4 www.awesomealgebra.org

  3. Solving Equations Steps • STEPS: • Get Rid of ( ) by Mult • (Distributive Property) • Combine like terms • Get Variable on one side and numbers on the other by (ADD/SUB) • Solve for variable by (MULT/DIV)

  4. Solving equations – Practice 1. 5x - 2(x +4) = 64 Steps: Get Rid of ( ) 1st! Use Distributive Property Move letters to one side Move numbers to one side Note: Can’t leave a side empty Don’t forget to bring down the = sign every time!

  5. Check for Understanding State on a Learning Scale of 1 – 4 what level of understanding you are at on Whether A Function! 4 – Great & I can Teach 3 - Good & Understand it 2 – Can do must but need help on harder parts 1 – Can do only with help 0 – I Need Help

  6. More Example from Puzzle 40 … 5. 6(3x- 5) – 7x = 25 9. 22 – 5 (6v – 1) = - 63

  7. Exit Ticket Do your best! What Property is the first step to solving equations?

  8. Objective: Students will be able to solve equations with 2 steps and check on The graphing calculator Agenda -Problem of the Day - Job 2 Steps to Solving Multi-step Equations - Puzzle -Exit Ticket • How Assessed: Puzzle Due Fri End of Class Need HELP! Stay After Thurs Innovation Cafeteria 3-4 www.awesomealgebra.org

  9. How to check answer on a calc! 2x + 5 = 9 answer 2 • Type 2 and STO ENTER to store answer • Type original equation into calculator Note: To get the equal sign type in 2nd Math 1 Hit enter: If a 1 comes up then the answer is correct If a 0 comes up then the answer is incorrect

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