Question 1

Solve the inequality $$5x + 2 \geq 12. $$Which of the following is the correct solution?

Accepted Answer

$$x \geq 3$$

Question 2

Which answer choice below is the graph of $$x \leq 3$$?

Accepted Answer

A number line with a closed circle at $$3$$ and shading to the left

Question 3

Simplify the expression $$3x + x + 5x + 2x + x.$$

Accepted Answer

$$12x$$

Question 4

If $$x$$ represents the number of hours worked and you earn $$12$$ dollars per hour, which inequality represents earning at least $$120$$ dollars?

Accepted Answer

$$12x \geq 120$$

Question 5

Which of the following is the solution set for $$2x - 5 \u003c 9$$?

Accepted Answer

$$x \u003c 7$$

Question 6

A company needs at least $$50$$ units of a product. If $$x is $$the number of units produced, which inequality represents this situation?

Accepted Answer

$$x \geq 50$$

Question 7

Which of the following is the correct graph for the solution $$x \u003e -2$$?

Accepted Answer

A number line with an open circle at $$-2$$ and shading to the right

Question 8

Solve for $$x$$: $$7x - 4 = 3x + 12$$

Accepted Answer

$$x = 4$$

Question 9

Which of the following expressions is equivalent to $$2(x + 3) - 4x$$?

Accepted Answer

$$-2x + 6$$

Question 10

If $$x is a $$solution to $$x + 5 \leq 8$$, which of the following must be true?

Accepted Answer

$$x \leq 3$$

Solving Linear Inequalities and Graphing Solutions on a Number Line

Guida di studio - Domande di pratica