Unit 1: Quantities & Expressions Review

What is the result of

(-6x+7)+(19x-1)?

A. 25x+8

B. 19x

C. 13x+6

D. 25x+6

• A

• B

• C

• D

Tags

CCSS.7.EE.A.1

 Look at the expression.

 $2\sqrt{8}\times\sqrt{20}$  

Which of these is equivalent to this expression?
A.  $2\sqrt{28}$       B. 5  

 C.  $8\sqrt{10}$       D.  $32\sqrt{10}$  

• A

• B

• C

• D

Which sum is rational?

A.   $\pi+18$       B.  $\sqrt{25}+1.75$  
C.  $\sqrt{3}+5.5$         D.  $\pi+\sqrt{2}$  

• A

• B

• C

• D

Tags

CCSS.7.NS.A.1D

Which product is irrational?

A.   $\sqrt{2}\times\sqrt{50}$       B.  $\sqrt{64}\times\sqrt{4}$  
C.  $\sqrt{9}\times\sqrt{49}$        D.  $\sqrt{10}\times\sqrt{8}$  

• A

• B

• C

• D

Find the perimeter of the figure when
                    x= $\sqrt{2}$   and y= $\sqrt{3}$  

A.   $4+\sqrt{2}+\sqrt{3}$       B.  $4+2\sqrt{3}+\sqrt{2}$  

C.  $4+2\sqrt{2}+2\sqrt{3}$    D.  $4+2\sqrt{2}+\sqrt{3}$       
                 

• A

• B

• C

• D

Tags

CCSS.8.EE.A.2

Jill swam 200 meters in 2 minutes 42 seconds. If each lap is 50 meters, which is MOST LIKELY to be her time, in seconds, per lap?

A. 32 seconds

B. 40 seconds

C. 48 seconds

D. 60 seconds

• A

• B

• C

• D

Tags

CCSS.6.RP.A.3B

In which expression is the coefficient of term "n" equal to -1?

A. $3n^2+4n-1$      B.  $-n^2+5n+4$  
C.  $-2n^2-n+5$      D.  $4n^2+n-5$  

• A

• B

• C

• D

Tags

CCSS.6.EE.A.2B

Which statement is always true?

A. The product of two irrational numbers is irrational.

B. The product of two rational numbers is irrational.

C. The sum of two rational numbers is rational.

D. The sum of a rational number and an irrational number is rational.

• A

• B

• C

• D

Tags

CCSS.HSN.RN.B.3

• A

• B

• C

• D

Tags

CCSS.HSA.APR.A.1

• A

• B

• C

• D

Tags

CCSS.HSA.APR.A.1