Question 1

Which mathematical expression correctly represents the phrase: "12 less than a number"?

Accepted Answer

$$x - 12$$

Question 2

Translate the phrase: "A number is less than 25" into a mathematical inequality.

Accepted Answer

$$x \u003c 25$$

Question 3

Which of the following best represents the phrase: "Double a number, increased by 7"?

Accepted Answer

$$2x + 7$$

Question 4

A pharmacist needs to prepare a solution by adding 15 mL more than the amount of ingredient $$x. $$Which expression represents the total amount of solution?

Accepted Answer

$$x + 15$$

Question 5

Translate the phrase: "The sum of triple a number and 9 is less than 30" into an inequality.

Accepted Answer

$$3x + 9 \u003c 30$$

Question 6

Which expression matches the phrase: "18 decreased by double a number"?

Accepted Answer

$$18 - 2x$$

Question 7

A recipe calls for an amount of sugar that is 5 grams less than twice the amount of flour $$x. $$Which expression represents the amount of sugar needed?

Accepted Answer

$$2x - 5$$

Question 8

Which inequality represents: "40 is less than double a number decreased by 8"?

Accepted Answer

$$40 \u003c 2x - 8$$

Question 9

Translate the phrase: "The result of subtracting 6 from triple a number is more than 21" into an inequality.

Accepted Answer

$$3x - 6 \u003e 21$$

Question 10

A company’s profit is described as: "Five more than a number of units sold." Which expression represents the profit?

Accepted Answer

$$x + 5$$

Question 11

Which of the following correctly translates: "A number is at least 17"?

Accepted Answer

$$x \geq 17$$

Question 12

A scientist notes that the temperature is 8 degrees less than triple the number of hours since noon. Which expression represents the temperature?

Accepted Answer

$$3x - 8$$

Question 13

Which mathematical expression matches the phrase: "The sum of a number and 14"?

Accepted Answer

$$x + 14$$

Question 14

Translate the phrase: "A number is more than 50" into an inequality.

Accepted Answer

$$x \u003e 50$$

Question 15

A patient’s dosage is described as: "Double the patient’s weight, decreased by 10 mg." Which expression represents the dosage?

Accepted Answer

$$2x - 10$$

Question 16

Which of the following represents: "Seven is less than a number increased by 4"?

Accepted Answer

$$7 \u003c x + 4$$

Question 17

Translate the phrase: "The difference between a number and 13 is less than 5" into an inequality.

Accepted Answer

$$x - 13 \u003c 5$$

Question 18

A chemical reaction requires "triple the amount of substance $$x$$, increased by 20 grams." Which expression represents the total amount needed?

Accepted Answer

$$3x + 20$$

Question 19

Which inequality matches the phrase: "The sum of a number and 6 is more than 18"?

Accepted Answer

$$x + 6 \u003e 18$$

Question 20

A student’s score is described as: "Five less than double the number of correct answers." Which expression represents the score?

Accepted Answer

$$2x - 5$$

Translating Verbal Phrases into Mathematical Expressions and Inequalities

스터디 가이드 - 연습 문제

학습 가이드 - 플래시카드