Test 2 . Alpha in Math. 2nd Prep.

The mean of 3 + x , 8 , 9 , 4 - x is ......

• 4

• 5

• 6

• 3

Tags

CCSS.6.EE.B.7

The slope of the straight line which parallel to Y - axis is .....

• 1

• undefined

• 0

• 2

Tags

CCSS.8.EE.B.5

if  $n\in Z\$  and  $n<-\sqrt{300}\ \ <\ n+\ 1$  then  n= ..... 

• - 4

• -19

• -18

• -17

 $if\ the\ mode\ of\ 6\ ,\ 6\ ,\ 5\ ,\ 5\ ,\ 6\ ,\ 3\ \ and\ x\ +\ 1\ \ is\ 6\ \ then\ \ x\ne\ ......$  

• 4

• 3

• 5

• 6

Tags

CCSS.6.SP.B.5C

the S.S of the inequality in R 

 $5<\ 2\ -3x\le14$  is ......

•  $\phi$  

• ] -1 , - 4 ]

• { -  4  , -1 }  

• [ - 4 , - 1 [ 

IF ( K , 5 ) satisfies the straight line

Y + 2X = 17 , then K = .....

• 12

• 6

• 10

• 5

if

 $x\ =\sqrt{7}\ \ -\sqrt{5}\ \ and\ xy\ =2\ ,then\ x^2\ +\ y^2\ =\ .....$  

• 2

• 24

• 8

•  $\sqrt{5}\ +\ \sqrt{7}$  

Tags

CCSS.HSA-REI.B.4B

• 22

• 23

• 21

• 38808

Tags

CCSS.8.G.C.9

CCSS.HSG.GMD.A.3

the S . S of the equation

 $\left(\ x^2\ -4\right)\left(x\ +\ 1\right)\ =\ 0$  is ......

•  $\phi$  

• { 2 , -2 }

• { 2 , 1 }

• { 2  , -2 , -1 }

Tags

CCSS.HSA-REI.B.4B

The slope of the straight line passing through the two

( -3 , 2 ) and ( k , - 1 ) is - 3 , then K = ........

• - 2

• 2

• 3

• - 3

Tags

CCSS.8.EE.B.6