10/1 - Equations Practice

Solve for a.

• a = pw
• a = p/w
• a = w/p
• a = w + p

Tags

CCSS.HSA.CED.A.4

S = 3F - 24  Solve for F

• F = (S + 24)/3
• F = S/3 + 24
• F = 3S + 24
• F = 3(S + 24)

Tags

CCSS.HSA.CED.A.4

pV = nRT
solve for R

• R= pV/nT
• R= p/n + V/T
• R= pV - nT
• R= (pV-n)/T

Tags

CCSS.HSA.CED.A.4

 $g\ =\ 6x\ \ \ solve\ for\ x$  

•  $x\ =\ \frac{g}{6\ }$  

•  $x\ =\ \frac{6}{g}$  

•  $x\ =\ g+6$  

•  $x\ =\ g-6$  

Tags

CCSS.HSA.CED.A.4

 $y\ =\ 2x\ -2\ \ \ solve\ for\ x$  

•  $x\ =\ \frac{y-2}{2}$  

•  $x\ =\ 2y-2$  

•  $x=\frac{y+2}{2}$  

•  $x\ =\ y\ +2$  

Tags

CCSS.6.EE.C.9

 $-3x\ +2c\ =\ 3\ \ solve\ for\ x$  

•  $x=\frac{3-2c}{-3}$  

•  $x\ =\ 6+2c$  

•  $x\ =\ 6-2c$  

•  $x\ =\ \frac{3+2c}{3}$  

Tags

CCSS.HSA.REI.B.3

Joe’s Canoes charges an initial fee of $20 plus $4 an hour. Callie’s Canoes charges a flat rate of $14 an hour. Find the number of hours for which the total amount that both places charge would be the same.

• 3 hours
• 4 hours
• 1 hour
• 2 hours

Tags

CCSS.6.EE.A.4

CCSS.6.EE.B.5

CCSS.6.EE.B.6

CCSS.6.EE.B.7

CCSS.6.EE.C.9

Bob has $150 in his savings account and saves $40 per month.  Which equation represents the amount Bob has in his account after x months?

• y = 150 + 40
• y = 40x + 150
• y = 150x + 40

Tags

CCSS.5.OA.B.3

A holiday meal costs $12.50 a person plus a delivery fee of $30.  Which equation represents the amount a holiday meal costs, including delivery, for x people?

• y = 30 + 12.5x 
• y = 12.5 + 30
• y = 12.5 + 30x

Tags

CCSS.6.EE.C.9

Jerry has $20 and makes $7 per hour. Which equation represents the total amount of money Jerry has after working x hours?

• y = 7x + 20
• y = 7 + 20x
• y = 20 + 7

Tags

CCSS.8.F.B.4

CCSS.HSF.LE.A.2