MATHS QUIZ FINAL ROUND GRADE 12

Solve using matrices

 $x-3y+5z=-2$  

    $-4x+4y\ -z=19$  

 $5x+6y\ =-14$  

•  (-4, 1, 1 )

• ( 6, 6, -2 )

• ( -4, 6, -1 )

• No Unique Solution

Tags

CCSS.HSA.REI.C.6

CCSS.HSA.REI.C.8

CCSS.HSA.REI.C.9

Complete he series 95,115.5,138,? 189

• 164.5

• 162.5

• 166.5

• 160.5

Tags

CCSS.HSA.CED.A.1

CCSS.HSA.CED.A.2

If y=a(1-cos $\theta$  ) and x=a( $\left(\theta+\sin\theta\right)$ , where   $\theta$  is the parameter, then  $\frac{\text{d}y}{\text{d}x}$  is

• $$\tan \theta$$  

•   $-\tan\theta$  

•    $\cot\ \frac{\theta}{2}$  

•   $\tan\ \frac{\theta}{2}$

Tags

CCSS.HSF.TF.C.8

Which of the following best describes the continuity at x = 1?

• Continuous

• Removable Discontinuity

• Infinite Discontinuity

• Jump Discontinuity

Tags

CCSS.HSA.REI.D.10

CCSS.HSA.REI.D.11

Which number is 40% less than 90% of 100?

• 54

• 64

• 36

• 50

Tags

CCSS.7.EE.B.3

CCSS.7.RP.A.3

The population of a town is 18000. It increases by 10% during first year and by 20% during the second year. The population after 2 years will be…..

• 23000

• 24500

• 23760

• 25000

Tags

CCSS.7.EE.B.3

CCSS.7.RP.A.2

CCSS.7.RP.A.3

B is inversely proportional to the cube of A. If B=3, A=2. If B = 8/9. Find the value of A.

• 2

• 3

• 9/8

• 24

Tags

CCSS.HSA.CED.A.1

CCSS.HSA.SSE.A.1

If STREAMERS is coded as UVTGALDQR, then KNOWLEDGE will be coded as __________.

• MQPYLCDFD

• MPQYLDCFD

• YMQPLDDFC

• PMYQLDFCD

A is the brother of B. B is the brother of C. C is the husband of D. E is the father of A. D is related to E as ___________

• Daughter

• Daughter-in-law

• Sister-in-law

• Sister

Find the next term: ABD, DGK, HMS, MTB, SBL, ______.

• ZKU

• ZKW

• KZU

• ZCA