U1L3a - inequalities day 1

U1L3a

Inequalities day 1

Multiple Choice

Solve the following equation and justify your steps.

 $-2\left(x-3\right)=14$  

You will enter your justifications on the next slide. (Refer to lesson 2 notes for help with justifications)

• x = 2

• x = -4

• x = 4

• x = 3

Open Ended

Enter your justifications here. Separate each step with a comma.

Steps to solving the problem

-2 (x - 3) = 14 Given

-2x + 6 = 14 Distributive property

-2x = 8 Subtraction property of equality

x = -4 Division property of equality

Multiple Choice

Would  $x>2$  have an open or shaded (closed) dot on the number line?

• open

• shaded

Multiple Choice

Would  $x\ ≤\ -5$  have an open or shaded (closed) dot on the number line?

• open

• shaded

Example

Write down the inequality represented on the number line. Then, enter your answer on the next slide.

Fill in the Blanks

Enter the inequality represented on the number line in the previous slide.

Open Ended

How do you feel about graphing inequalities on a number line? Is it easy? Are you still struggling? If you are still struggling, what can I do to help?

Homework