Intro to Equations - true, false, or open?

Intro to Equations - true, false, or open?

Algebra 1: 1-8

Poll

Is x=6 a solution of the equation 32 = 2x + 12? In other words, does x = 6 make the equation true?

• Yes

• No

Open Ended

What's the difference between an expression and an equation?

An Equation is a math sentence that has an = sign. 3 types of equations:

• True

• False

• Open

Multiple Choice

How many types of equations are there?

• 1

• 2

• 3

• 4

True Equations: Expressions on either side of the equal sign are equal.

• EX: 1 + 1 = 2

• x + x = 2x
  

• 
  
  

Open Ended

Give me an example of another true equation

False Equations: expressions on either side of the = sign are NOT equal

• EX: 1 + 1 = 3

• x + x = 2x + 1

Open Ended

Give me another example of a false equation

Open Sentence: If it contains 1 or more variables, and may be true of false depending on the value of it's variables

• Ex: x + 1 = 3

• x + x = 7

Open Ended

Give me another example of an open sentence

Poll

How are you feeling about True, False, and Open Equations?

• Confident!

• Confused by open equations

• Confused by true equations

• Confused by false equations

Multiple Choice

Is the equation true, false, or open? 24 + 18 = 20 + 22

• True

• False

• Open

Multiple Choice

Is the equation T, F, or open? 7(8) = -56

• True

• False

• Open

Multiple Choice

Is the equation T, F, or open? 2x - 14 = 56

• True

• False

• Open