6.6.2 - Truths and Equations

6.6.2

Truths and Equations

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. There are...

• True Equations

• False Equations

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.

• Example 1: 1 + 1 = 2

• Example 2: x + x = 2x

Open Ended

What is another example of a True Equation?

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

• Example 1: 1 + 1 = 3

• Example 2: x + x = 2x + 1

Open Ended

What is another example of a False Equation?

Poll

How are you feeling about True and False Equations?

• Confident on Both

• Confused by True Equations

• Confused by False Equations

• Confused by Both

Multiple Choice

Is the equation true or false?

24 + 18 = 20 + 22

• True Equation

• False Equation

Multiple Choice

Is the equation true or false when x = 4?

6x = 30

• True Equation

• False Equation