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FIRE UP!!. Turn in your signed syllabus to the front basket. Pickup from Front Desk: Parent Function Packet ½ Page sheet. Welcome BACK! . Warm-up. Distributive Property Simplify the following expression. Discuss with your neighbor. -2(3x – 5) -6x + 10.

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fire up

FIRE UP!!

  • Turn in your signed syllabus to the front basket.
  • Pickup from Front Desk:
    • Parent Function Packet
    • ½ Page sheet

Welcome BACK! 

warm up
Warm-up
  • Distributive Property
  • Simplify the following expression. Discuss with your neighbor.
  • -2(3x – 5)
  • -6x + 10
fortune 500 companies
Fortune 500 Companies
  • We can teach our employees the technical parts of the job, but they need to know how to ask the right questions!!
  • We are looking for people that are reliable and can problem solve!!!
parent function project
Parent Function Project
  • 7 Functions to graph and find key information
  • Due on test day (9-19/20)
  • Counts ½ of the test grade
  • Lots of resources
    • Websites
    • Youtube Videos
    • Textbook
  • Some time will be given to work on these in class and also ask questions.
unit 1

Unit 1

Solving Linear Equations

objectives
Objectives
  • I can solve equations with one variable
vocabulary terms
Vocabulary Terms
  • Variable
  • Like Terms
variable

Variable

Any letter or symbol used to represent a number that is not known

like terms

Like Terms

Terms that have the same variables raised to the same powers

like term activity
Like Term Activity
  • Group the like terms together in your notes.
  • Now that they are grouped, COMBINE your LIKE Terms.
solving equations
Solving Equations
  • Let’s see what we recall from Algebra-1 to solve an equation for a missing variable??
what really happened
What really Happened?
  • What steps really happen to solve that equation?
equations
Equations??
  • What happens to a term anytime you move it to the other side of the = ?
solving equations1
Solving Equations
  • Get the variable terms together on the left side of the equation
  • Move all the numbers to the other side of the equation.
  • LAST step is always DIVISION (or Multiply by a reciprocal)
slide26

2.

x + 1 = 4

x + 1 = 4

x = 3

3

5

5

3

5

3

Multiply each side by , the reciprocal of .

x = – (3)

The solution is 5.

ANSWER

3

3

3

5

5

5

GUIDED PRACTICE

Solve the equation.

SOLUTION

Write original equation.

Subtract 1 from each side.

x = – 5

Simplify.

in class practice
In Class Practice
  • Work with your partner and solve the first 4 problems on the activity.
  • Check your answers on the website.
word problems
Word Problems
  • The bill for the repair of a car was $420. The cost of parts was $240. The cost of labor was $45 per hour. Write an equation and then solve for how many hours the repair took.
solution
Solution:
  • Total cost: $420
  • Parts: $240
  • Labor: $45 per hour
  • Possible Equation:
  • Let “x” represent the # of hours
  • 240 + 45x = 420
  • x = 4 hours
in class practice1
In Class Practice
  • Work with your partner and solve the last word problem on the activity.
  • Check your answer on the website.
no variables
No Variables

No Solution

All Real Numbers

2x + 4 = 2x + 4

When you subtract the 2x you end up with

4 = 4

This is true

Meaning, that every value of “x” will make this equation valid

  • 2x + 4 = 2x – 3
  • When you subtract the 2x you end up with
  • 4 = -3
  • This is not true
  • Meaning, there is no value for “x” to make this equation valid.
homework
Homework
  • WS 1-1: Solving Equations
  • Signed Syllabus if not already returned
  • Work on Parent Function Project