Change the subject of the formula (extra session)

Make a the subject of
a + b = c

• a = c - b
• a = b - c
• a = b + c
• a = bc

Tags

CCSS.HSA.CED.A.4

Make w the subject of 
A = lw

• w = A/l
• w = l/A
• w = A - l
• w = Al

Tags

CCSS.HSA.CED.A.4

Make x the subject of y = mx + 1

• x = (y - 1)/m
• x = y - 1/m
• x = y/m - 1
• x = my - 1

Tags

CCSS.HSA.CED.A.4

Which of the following has "a" as the subject of the formula?

• 
• 
• 
• 

Tags

CCSS.HSA.CED.A.4

A=5ab [b]

• b=A/5a

• b=5Aab

• b=5Ab

• b=5a/A

5x=3y-z [y]

• y=-z+3-5x

• y=5x-z/3

• y=(5x-z)/3

• y=(5x+z)/3

 $ax+r\ =\ 7\ \ Solve\ for\ r.$  

•  $r=\frac{7}{ax}$  

•  $r=7-ax$  

•  $r=7+ax$  

•  $r=7ax$  

Tags

CCSS.HSA.CED.A.4

 $p=\frac{w}{a}$  Solve for w.

•  $w=pa$  

•  $w=\frac{p}{a}$  

•  $w=\frac{a}{p}$  

•  $w=p+a$  I

Tags

CCSS.HSA.CED.A.4

 $8x+4y=16$  

Solve for y:

•  $y=-8x+16$  

•  $y=2x-4$  

•  $y=-2x+4$  

•  $y=-8x+12$  

Tags

CCSS.6.EE.C.9

• $T=\frac{PV}{K}$

• $T=\frac{PK}{V}$

• $T=\frac{KV}{P}$

• $T+P=PV$

Tags

CCSS.HSA.CED.A.4