AnswersOnline Algebra Function Number AInequalities in One Variable

Solving One-Variable Inequalities Answers

10 verified answers5 views
4

What is the solution to the inequality + 4 ≤ 0?

Question illustration
A
(–∞, –28)
B
(–∞, –28]
C
(28, ∞)
D
[28, ∞)
7

The solution to an inequality is graphed on the number line.

Question illustration
A
{x | x < 4.5}
B
{x | x ≤ 4.5}
C
{x | x > 4.5}
D
{x | x ≥ 4.5}
8

The solution set to 6 + 2n > 12 is n > 3. Which are correct representations of this solution? Select two options.{n | n < 3}{n | n ≥ 3}(3, ∞)

Question illustration
A
{n | n < 3}
B
{n | n ≥ 3}
C
A number line going from negative 5 to positive 5. An open circle appears at positive 3. The number line is shaded from positive 3 to positive 5.
Option C
D
A number line going from negative 5 to positive 5. An open circle appears at positive 3. The number line is shaded from positive 3 to negative 5.
Option D
E
(3, ∞)
9

What is the best first step to solve the inequality 5x – 3 ≥ 2?

A
Add 3 to both sides of the equation.
B
Subtract 3 from both sides of the equation.
C
Add 2 to both sides of the equation.
D
Subtract 2 from both sides of the equation.
10

Mrs. Valdez wanted to determine the number of people, p, she could safely take in her car to the fun run. She determined that p < 5.

A
Mrs. Valdez can take –2 people because –2 < 5.
B
Mrs. Valdez can take 2 people because 2 < 5.
C
Mrs. Valdez can take 3.5 people because 3.5 < 5.
D
Mrs. Valdez can take 5 people because 5 < 5.
11

What is the first step in solving the inequality 2x + 3 ≥ 17?

A
Divide the left side by 2.
B
Subtract 3 from both sides.
C
Change the direction of the inequality.
D
Change the inequality to >.
12

Cate solved an inequality to find c, the possible number of cats that a shelter can house. She found that c < 28. Which statement best describes a possible solution to Cate’s problem?

A
The shelter can house 15.6 cats because 15.6 < 28.
B
The shelter can house –8 cats because –8 < 28.
C
The shelter can house 17 cats because 17 < 28.
D
The shelter can house 28 cats because 28 < 28.

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