An algebraic expression is a mathematical sentence that

An algebraic expression is a mathematical sentence that doesn't have an equal sign. We can use math terminology to translate verbal expressions into algebraic expressions.

Example One A) A number increased by 10 D). Two times a number plus 5 x + 10 2 c + 5 B) A number increased by another number a+b E) The difference of one number and 6 f - 6 C) 10 increased by a number F) Four less than a number b. 10 + d g - 4

You Try 1: 1. Twice a number 2 x 2. Three times the sum of a number and six 3(b + 6) 3. The product of two numbers B∙Z 4. The difference of twice a number and 9 2 y - 9

You Try 1: 5. The quotient of 7 and a number 7. Three-fifths of a number y 6. Five times the sum of b and fourteen 8. Three times a number minus eight

Which expression represents “ 6 times a number decreased by 10”? 1. 6 x + 10 2. 6 x - 10 3. 10 - 6 x 4. 10 + 6 x

Which verbal expression represents x 3 - x? 1. the sum of a number cubed and twice a number 2. the difference of a number and three times a number 3. the difference of a number cubed and 3 4. a number less than a number cubed

Which expression represents “the sum of -7 and four times a number”? 1. 4 x + 7 2. -7 x + 4 3. -7 + 4 x 4. -7 - 4 x

Which expression represents “four less than a number cubed”? 1. 3 4 – x 2. 4 – 3 x 3. 3 x – 4 4. x 3 – 4

Which verbal expressions represents 2 x + 4? 1. 4 more than twice a number 2. a number increased by four 3. twice a number decreased by four 4. four less than twice a number

Which expression represents “ 21 less six times a number”? 1. 21 - 6 x 2. 6 x - 21 3. 21 + 6 x 4. 6 x + 21