Addition and Subtraction Inequalities Answers
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1
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Jennet graphs the inequality on the number line below. Which best describes the accuracy of Jennet’s graph?
A
The graph is incorrect. The number line represents numbers greater than –6 and the “less than” symbol is used in the inequality.B
The graph is incorrect. There should be a closed circle at –6.C
The graph is incorrect. The number line represents numbers less than –6 and the “greater than” symbol is used in the inequality.D
The graph is correct.2
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The total number of running yards in a football game was less than 100. The inequality represents the situation. Which graph represents the inequality?
A
A number line going from 95 to 105. A closed circle is at 100. Everything to the left of the circle is shaded.
B
A number line going from 95 to 105. An open circle is at 100. Everything to the left of the circle is shaded.
C
A number line going from 95 to 105. A closed circle is at 100. Everything to the right of the circle is shaded.
D
A number line going from 95 to 105. An open circle is at 100. Everything to the right of the circle is shaded.
3
Graham is graphing the inequality . He draws a number line and shades over the numbers that are greater than 4. What must Graham do to complete his representation of ?
A
Draw an open circle at 4.B
Draw a closed circle at 4.C
Draw an open circle at 5.D
Draw a closed circle at 5.4
Which best explains whether 9 is a solution to the inequality ?
A
It is not a solution because 9 is not greater than 9.B
It is not a solution because 9 is not less than 9.C
It is a solution because 9 is greater than 9.D
It is a solution because 9 is less than 9.5
An inequality represents an infinite amount of numbers larger than –5. Which inequality represents the situation?
A
x less-than negative 5
B
x greater-than negative 5
C
x greater-than negative 4
D
x less-than negative 4
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