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Biblioteka

Quiz 1.2 - Inequalities and Words

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Pitanje 1
1.

Match the representations with the appropriate vocabulary

  • closed circle, shaded on the right

  • <

  • >

  • <

  • open circle, shaded on the left

  • open circle shaded on the right

  • closed circle, shaded on the left

  • >

  • Greater than

  • Greater than or equal to

  • Less than

  • Less than or equal to

Pitanje 2
2.

Solve the inequality.

3x - 5 > 2x - 15

Enter your answer in "x>#" format, no spaces. The answer is not necessarily the ">" symbol. Note that typing "<=" creates a < sign.

Pitanje 3
3.

Solve the inequality.

2x - 5 > 5x - 17

Enter your answer in "x>#" format, no spaces. The answer is not necessarily the ">" symbol. Note that typing "<=" creates a < sign.

Pitanje 4
4.

Solve the inequality.

6 - 2(x+1) < 2

Enter your answer in "x>#" format, no spaces. The answer is not necessarily the ">" symbol. Note that typing "<=" creates a < sign.

Pitanje 5
5.

Solve the compound inequality.

|3x-6|<21

Enter your answer in "#<x<#" format, no spaces. Note that typing "<=" creates a < sign.

Pitanje 6
6.

Solve the compound inequality.

1-|2x-7|>0

Enter your answer in "#<x<#" format, no spaces. Note that typing "<=" creates a < sign.

Pitanje 7
7.

Solve the compound inequality.

|x+3|>4

Use "x># or x<#" format, with exactly one space before and after the "or".

Pitanje 8
8.

Solve the compound inequality.

5-|x+3|<4

Use "x># or x<#" format, with exactly one space before and after the "or".

Pitanje 9
9.

Which of the following values of x satisfy the following inequality?

3(5 - x) < 30

Check all that apply.

Pitanje 10
10.

Which of the following values of x satisfy the following inequality?

\frac{1}{2}|x+1|>3

Check all that apply.

Pitanje 11
11.

Match the phrases with the corresponding mathematical expressions.

Stavka koja se može prevućiarrow_right_altOdgovarajuća stavka

two more than a number

arrow_right_alt

2x

the sum of half a number and two

arrow_right_alt

x/2

twice a number

arrow_right_alt

x-2

half the sum of a number and two

arrow_right_alt

x+2

half a number

arrow_right_alt

\frac{x+2}{2}

two less than a number

arrow_right_alt

\frac{x}{2}+2

Pitanje 12
12.

A bowling alley has a group entry fee of $20. Each person who bowls must rent a pair of bowling shoes for $2.

A club sponsor paid $56 total for her club to go bowling.

Which equation, when solved for x, gives the number of people that bowled?

Pitanje 13
13.

If Pedro had made three more shots at yesterday's practice, he would've doubled Hector's shots. Pedro made 41 shots yesterday.

Which equation, when solved for x, gives the number of shots Hector made?

Pitanje 14
14.

Mike is planning a party with his friends. It costs $150 to rent the trampoline park overnight. His parents have agreed to chip in $50. Mike doesn't want people to have to pay more than $5 each to come.

Which inequality, when solved for x, gives the number of people that must participate so that no person pays more than $5?

Pitanje 15
15.

Melody has 100 feet of fencing. She wants to enclose a rectangular garden. For it to look good, the length should be five feet more than the width. She wants to keep some fence in reserve for later repairs.

Which inequality, when solved for x gives the possible widths for the garden?