Semester 1 Review Quiz 1

Which of the following words does NOT describe the number  $\sqrt{19}$  ?

• irrational

• integer

• complex

• real

Lajoy simplifed the expression below...
                    $5x-3+7\left(x-2\right)$        
Step 1        $5x-3+7x-14$  
Step 2        $5x+7x-3-14$  
Step 3        $12x-17$  

Which property was used to go from Step 1 to Step 2?

• Associative Property of Addition

• Associative Property of Multiplication

• Commutative Property of Addition

• Commutative Property of Multiplication

Classify the Number: -23

• Rational
• Real, rational, integer
• integer
• Real, irrational, whole

What kind of number is 12.33333.....

• integer, real

• whole, real

• rational, real

• rational, integer, real

 $\sqrt{-25}$  is a real number

• True

• False

Tags

CCSS.HSN.CN.A.1

 $-\sqrt{100}$  is a real number.

• True

• False

What property is shown?
4 + (3 + 9) = (4 +3) + 9

• Associative of Multiplication
• Commutative of Addition
• Associative of Addition

Tags

CCSS.1.OA.B.3

3(w + 4) = 3w + 12 is an example of...

• Inverse Property

• Distributive Property

• Multiplicative Inverse

• Associative Property

Identify the property shown.

• Commutative Property of Addition

• Associative Property of Addition

• Distributive of Multiplication

• None

Use the associative property of addition to complete this statement. $7x+\left(9x-7y\right)=$  

•  $\left(7x+9x\right)+\left(7x-7y\right)$  

•  $\left(7x+9x\right)-7y$  

•  $7x+\left(9x-7y\right)$  

•  $7y+\left(9x-7x\right)$