Algebraic expressions

If we subtract  $4a–7ab+3b+12$  from  $12a–9ab+5b–3$  then the answer is:

• 
  

  $8a+2ab+2b+15$

• $8a+2ab+2b-15$

• $8a-2ab+2b-15$

• $8a-2ab-2b-15$

Tags

CCSS.HSA.APR.A.1

If we add $7xy+5yz–3zx$   $4yz+9zx–4y$  and

 and  $–3xz+5x–2xy$  then the answer is:

•  $5xy+9yz+3zx+5x–4y$  
  

•  $5xy–9yz+3zx–5x–4y$  
  

•  $5xy+10yz+3zx+15x–4y$  
  

•  $5xy+10yz+3zx+5x–6y$  
  

Tags

CCSS.HSA.APR.A.1

In which of the following, the two expressions are like terms?

• $7x\ ,\ 7y$

• 
  $7x,\ 9x$
  

• $7x,\ 7x^2$
  

• $7x,$ $7xy$
  

Tags

CCSS.6.EE.A.2B

Translate this phrase into an algebraic expression.

The difference of 3 times a number and 7

Use the variable n to represent the unknown number.

• 3 - 7n

• 3n - 7

• 3n + 7

• 3 / 7n

Tags

CCSS.6.EE.A.2A

What word phrase can you use to represent "5x + 2"?

• 5 times a number plus 2

• 2 more than the product of 5 and a number

• a number times the sum of 5 and 2

• the sum of 5 times a number and 2

Tags

CCSS.7.EE.A.2

CCSS.HSA.SSE.A.2

Which of the following best describes the expression 8 less than the quotient of a number and 2?

• (x/2) - 8
• 8 - (x/2)
• (x - 8)/2
• 2x - 8

Tags

CCSS.6.EE.A.2A

Which of the following best describes the algebraic expression 6x + 1?

• Six times more than the quantity of a number plus one
• Six times the quantity of a number plus one
• One more than the product of six and a number
• One more than the quantity of six and a number

Tags

CCSS.HSA-SSE.A.1A

How many terms are there in the algebraic expression 2x² -3y + 5?

• 2
• 3
• 4
• 5

Tags

CCSS.6.EE.A.2B

Evaluate this expression:
(-2)² - (-5)²

• -21
• 29
• 21
• -29

Tags

CCSS.6.EE.A.1

CCSS.6.NS.C.5

Divide:

 $\frac{5y^3}{10x}\div\frac{30y}{2x}\ =$  

•  $\frac{y}{30}$  

•  $\frac{y^2}{30}$  

•  $\frac{y^3}{30}$  

•  $\frac{xy}{30}$