Inequalities

Inequalities

Poll

Would you rather be forced to dance every time you heard music or be forced to sing along to any song you heard?

• Dance

• Sing

Multiple Choice

If x is the smaller number, what is an expression we can use for the larger number?

• x

• x + 12

• x + 10

Multiple Choice

If the two numbers are

x and x+12

what is an equation for the sum of the two numbers?

• x + x + 12 = 74

• 2x = 74

• x + y = 74

• x + x = 74

Multiple Choice

Combine like Terms

x + x + 12 = 74

• 2x + 12 = 74

• 14x = 74

• x + 12 = 74

Multiple Choice

The two numbers were

x AND x+12

x=31

What are the two numbers?

• 31 AND 26

• 31 AND 43

• 31 AND 36

Multiple Choice

Interval Notation is a way of showing all the solutions for an inequality from the lowest to the highest.

• TRUE

• FALSE

Multiple Choice

An open circle means the number is not an answer and should go with a Parenthesis.

• TRUE

• FALSE

Multiple Choice

A Closed circle means that the number is an answer and should go with a BRACKET

• TRUE

• FALSE

Multiple Choice

The infinity sign always uses a BRACKET

• TRUE

• FALSE

Multiple Select

x > -9

Check off all solutions that make this inequality true

• -20

• -9

• -5

• 0

• 9

Multiple Choice

x > -9

When graphing should you use an open circle or a closed circle?

• Open Circle

• Closed Circle

Multiple Choice

x > -9

When using interval notation should you use a parenthesis or bracket at -9?

• Parenthesis

• Bracket

Multiple Choice

x > -9

Which is the correct interval notation?

• ( -9, infinity )

• ( -9, infinity ]

• ( infinity, -9 )

• [ infinity, -9 )

Multiple Select

x >= -2

Check off all solutions that make this inequality true

• -20

• -2

• 0

• 2

• 5

Multiple Choice

x >= -2

When graphing should you use an open circle or a closed circle?

• Open Circle

• Closed Circle

Multiple Choice

x >= -2

When using interval notation should you use a parenthesis or bracket at -2?

• Parenthesis

• Bracket

Multiple Choice

x >= -2

Which is the correct interval notation?

• ( -2, infinity )

• ( -2, infinity ]

• [ -2, infinity )

• [ -2, infinity ]

Multiple Choice

If

-2x < -4

Solve for x

• x < 2

• x < -2

• x > 2

• x > -2

Multiple Choice

If

-2x < 18

Solve for x

• x < -9

• x < 9

• x > -9

• x > 9

Multiple Choice

If

3x < -6

Solve for x

• x < -2

• x < 2

• x > -2

• x > 2

Multiple Choice

If

-9x < -36

Solve for x

• x < -4

• x < 4

• x > 4

• x > -4

Multiple Choice

If

x > 3

Should we use an open or closed circle

• Open Circle

• Closed Circle

Multiple Select

If

x > 3

Check all the numbers that are solutions

• -3

• 0

• 3

• 5

Multiple Choice

If

x > 3

Should we use a Paretheses with 3 or a bracket

• Parentheses

• Bracket

Multiple Choice

If

x > 3

How would this be written in interval notation

• ( 3 , infinity )

• ( 3 , infinity ]

• ( infinity , 3 )

• [ infinity , 3 )

Poll

How well do you think you understand Interval Notation?

• Completely understand

• Starting to get it

• No clue

Open Ended

What are you looking forward to doing over break?