Determine the solution set of 2x>−8 and −5x+7=12 .(1 point)
Responses
{−1}
left brace negative 1 right brace
{x|x>−1}
left brace x vertical bar x greater than negative 1 right brace
{−4}
left brace negative 4 right brace
{x|x>−4}
left brace x vertical bar x greater than negative 4 right brace
The solution set of 2x > -8 is {x|x > -4}.
The solution set of -5x+7=12 is {x|x = -1}.
Determine the solution set of −3x+7=10 or 3x−9=0 .(1 point)
Responses
The solution set is null.
The solution set is null.
{−1}
left brace negative 1 right brace
{−1,3}
left brace negative 1 comma 3 right brace
{3}
The correct response is {3}. The solution set is {x|x = 3}.
Use the image to answer the question.
A number line ranges from negative 5 to 5 in increments of 1. An open point is plotted at 3, with a solid line extending right, beyond 5. An open point is plotted at negative 3, with a solid line extending left, beyond negative 5.
What solution set does the number line graph?
(1 point)
Responses
x≤−3 or x≥−3
x less-than-or-equal-to negative 3 or x greater-than-or-equal-to negative 3
x≤−3 and x≥−3
x less-than-or-equal-to negative 3 and x greater-than-or-equal-to negative 3
x<−3 and x>3
x less than negative 3 and x greater than 3
x<−3 or x>3
The solution set that the number line graph represents is x < -3 or x > 3.
Use the image to answer the question.
A number line ranges from negative 10 to 2 in increments of 1. Two open points are plotted at negative 8 and negative 2, with a solid line extending between them.
Select the solution set represented on the graph.
(1 point)
Responses
x≥−8 and x≤−2
x greater-than-or-equal-to negative 8 and x less-than-or-equal-to negative 2
x≥−8 or x≤−2
x greater-than-or-equal-to negative 8 or x less-than-or-equal-to negative 2
x>−8 and x<−2
x greater than negative 8 and x less than negative 2
x>−8 or x<−2
The solution set represented on the graph is x ≥ -8 and x ≤ -2.
Use the image to answer the question.
A number line ranges from 1 to 13 in increments of 1. A closed point is plotted at 10, with a solid line extending right, beyond 13. A closed point is plotted at 9, with a solid line extending left, beyond 1.
Select the solution set represented on the graph.
(1 point)
Responses
m>10 and m<9
m greater than 10 and m less than 9
m≥10 or m≤9
m greater-than-or-equal-to 10 or m less-than-or-equal-to 9
m>10 or m<9
m greater than 10 or m less than 9
m≥10 and m≤9
m greater-than-or-equal-to 10 and m less-than-or-equal-to 9
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