Literal Equations and Dimensional Analysis

The area of a rectangle is A = bh. Solve the formula for h.

• h = A - b
• h = b/A
• h = Ab
• h = A/b

Tags

CCSS.HSA.CED.A.4

Solve the equation for m.
7m - 4n = 8

• m = (8 + 4n)/7
• m = 8/7 + 4n
• m = (8 - 4n)/7

Tags

CCSS.HSA.CED.A.4

Solve for n:
2m - n = 8

• n = 2m - 8
• n = -2m - 8
• n = 2m + 8
• n = -2m + 8

Tags

CCSS.6.EE.C.9

Which expression represents the value of x in the equation:
dx + e = f

• x = (f + e)/d
• x = (f - e)/d
• x = d/(e - f)
• x = d/(e + f)

Tags

CCSS.HSA.REI.B.3

• b = 7a - 4z

• b = 7(a +4z)

• b = 7a/-4 + z

• b = 7a + 4z

Tags

CCSS.HSA.CED.A.4

The length of a desk is 3.5 feet. How many centimeters is the length? 
(there are 2.54 cm in an inch)

• 60
• 120.23
• 106.68
• 117.12

Tags

CCSS.5.MD.A.1

How many kilograms of calcium are there in 173 pounds of calcium? (1 pound = 454 grams; 1 kg = 1000 g)

• 1.10 kg

• 78.5 kg

• 110 kg

• 78500 kg

Tags

CCSS.5.MD.A.1

A bicycle has a speed of 6.00 m/s. What is its speed in km/h?

• 21.6 km/h

• 16.67 km/h

• 2.16 km/h

• 1.67 km/h

Tags

CCSS.6.RP.A.3D

Jackrabbits are capable of reaching speeds up to 40 miles per hour. How fast is this in feet per second? (Round to the nearest whole number.)

5,280 feet = 1 mile

• 95 feet per second

• 59 feet per second

• .45 feet per second

• 40 feet per second

Tags

CCSS.HSA.CED.A.4

Ann Proctor won the 2007 World Waterski Racing Championship race in her category when she finished the 88-kilometer course in 51.23 minutes. What was her average speed in miles per hour? (Hint: 1 km= 0.62 miles) 

• 23.66 mph
• 63.90 mph
• 46.59 mph
• 51.23 mph

Tags

CCSS.8.EE.C.7B