Revision Unit 2 General Mathematics

If a = 4 and b = 6, what is the value of 3a + 5b?

• 40
• 42
• 44
• 46

Tags

CCSS.6.EE.A.2C

When x = 3, y = 6 and z = 7, find 2x - z

• -1
• -2
• -3
• -4

Tags

CCSS.6.EE.A.2C

Given  $m-3n=s$  , solve for  $n$  .

•  $n=\frac{s-m}{3}$  

•  $n=\frac{m-s}{3}$  

•  $n=s-m+3$  

•  $n=s+m+3$  

Given  $pq=rsT$  , solve for  $q$  .

•  $q=\frac{rsT}{p}$  

•  $q=rsT-p$  

•  $q=\frac{p}{rsT}$  

•  $q=p+rsT$  

have the same dimensions and equal corresponding elements

• Matrix Equation

• Zero matrix

• Equal matrices

• Scalar

Multiplication of a matrix by a scalar

• Scalar Multiplication

• Square Matrix

• Multiplicative Identity Matrix

• Multiplicative Inverse Matrix

Tags

CCSS.HSN.VM.C.7

Add

• 11    8
  -4     2
• 3     2
  -6    -6
• -3    2
  -4    -6
• 10    8
  -6    2

Tags

CCSS.HSN.VM.C.8

CCSS.HSN.VM.C.10

Find A-B

• -3     1
  7     -1
• 1     0
  1     -4
• -4       0
  6     -1
• not possible because rows do not match columns

Tags

CCSS.HSN.VM.C.8

What is a₂₃

• 14

• 4

• 1

• 3

Tags

CCSS.HSA.REI.C.8

• 
• 
• 
• 

Tags

CCSS.HSN.VM.C.8

CCSS.HSN.VM.C.7