Inequalities — Quiz Answers

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1
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Six times a number is greater than 20 more than that number. What are the possible values of that number?

A
n is less than 4
B
n is greater than 4
C
n is greater than 20 sevenths
D
n is less than 20 sevenths
2
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Which is the solution set of the inequality 15 y minus 9 is less than 36 ?

A
y is greater than 9 fifths
B
y is less than 9 fifths
C
y is greater than 3
D
y is less than 3
3

Which represents the solution set of the inequality 5 x minus 9 is less than or equal to 21 ?

A
x is less than or equal to 6
B
x is greater than or equal to 12 fifths
C
x is less than or equal to 12 fifths
D
x is greater than or equal to 6
4

Which values of x satisfy the inequality 0 point 5 x minus 0 point 7 5 is greater than or equal to 3 point 2 5 ?

A
x is less than or equal to 5
B
x is less than or equal to 8
C
x is greater than or equal to 5
D
x is greater than or equal to 8
5

Which inequality has no solution?

A
x minus 9 is less than 3 times open paren x minus 3 close paren
B
3 plus 4 x is less than or equal to 2 times open paren 1 plus 2 x close paren
C
6 times open paren x plus 2 close paren is greater than x minus 3
D
negative 2 times open paren x plus 6 close paren is less than x minus 20
6

Which represents the solution set of 5 times open paren x plus 5 close paren is less than 85 ?

A
x is less than 12
B
x is greater than 12
C
x is greater than 16
D
x is less than 16
7

Which graph represents the solution set of the compound inequality negative 4 is less than or equal to 3 x minus 1 and 2 x plus 4 is less than or equal to 18 ?

A
Image with description A number line lists negative 10 to 10 by 5. A closed circle is on 1, and another is on 7, and both are connected.
B
Image with description A number line lists negative 10 to 10 by 5. A closed circle is on 7. An arrow goes to the right of 7.
C
Image with description A number line lists negative 10 to 10 by 5. A closed circle is on negative 1. An arrow goes to the left of 1.
D
Image with description A number line lists negative 10 to 10 by 5. A closed circle is on negative 7, and another is on 1, and both are connected.
8

Which graph shows the solution set of the inequality 2 point 9 times open paren x plus 8 close paren is less than 26 point 1 ?

A
Image with description A number line lists negative 10 to 10 by 5. An open circle is on 0. An arrow goes to the right of 0.
B
Image with description A number line lists negative 10 to 10 by 5. A closed circle is on 1. An arrow goes to the left of 1.
C
Image with description A number line lists negative 10 to 10 by 5. A closed circle is on 0. An arrow goes to the right of 0.
D
Image with description A number line lists negative 10 to 10 by 5. A closed circle is on 1. An arrow goes to the left of 1.
9

Which graph represents the solution set of the inequality x plus 2 is greater than or equal to 6 ?

A
Image with description A number line lists negative 9 to 9 by 1. An open circle is on 3. An arrow goes to the right of 3.
B
Image with description A number line lists negative 9 to 9 by 1. A closed circle is on 3. An arrow goes to the left of 3.
C
Image with description A number line lists negative 9 to 9 by 1. An open circle is on 4. An arrow goes to the left of 4.
D
Image with description A number line lists negative 9 to 9 by 1. A closed circle is on 4. An arrow goes to the right of 4.
10

Which graph shows the solution to the inequality negative 3 x minus 7 is less than 20 ?

A
Image with description A number line lists negative 10 to 10 by 5. An open circle is on negative 9. An arrow goes to the left of negative 9.
B
Image with description A number line lists negative 10 to 10 by 5. An open circle is on 9. An arrow goes to the left of 9.
C
Image with description A number line lists negative 10 to 10 by 5. An open circle is on 9. An arrow goes to the right of 9.
D
Image with description A number line lists negative 10 to 10 by 5. An open circle is on negative 9. An arrow goes to the right of negative 9.

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