Dimensional Analysis 2

Multiple Choice

I can simplify radical expressions that include addition and subtraction.

Simplify the radical expression below.

$$-8\sqrt{2}-5\sqrt{98}=$$  

• $$-43\sqrt{2}$$  

• $$-15\sqrt{2}$$  

• $$-13\sqrt{2}$$  

Multiple Choice

I can simplify radical expressions that include multiplication of radicals.​

Simplify the radical expression below.

$$\sqrt{8}\cdot\sqrt{24}=$$  

• $$\sqrt{192}$$  

• $$8\sqrt{3}$$  

• $$\sqrt{24}$$  

Multiple Choice

(x +2)(x + 3)

• x² + 5x + 6
• x² + x + 6
• x² + 5x + 5
• x² + 6x + 6

Multiple Choice

Simplify the expression.
x³(2x²+3x)

• 2x⁵+3x⁴
• 2x⁶+3x³
• 5x⁹
• 5x

Multiple Choice

This polynomial:  3x² - 4x⁴ + 7x³ - 1 + 5x ,written in standard form would be

• 3x² - 4x⁴ + 7x³ - 1 + 5x
• - 4x⁴ + 7x³ + 3x² + 5x - 1 
• - 1 + 5x + 3x² + 7x³ - 4x⁴
• 7x³+ 5x - 4x⁴+ 3x² - 1

Multiple Choice

$$\left(n+2\right)\left(n^2+5n-3\right)$$  

• $$n^3+7n^2+13n-6$$  

• $$n^3+7n^2+-7n+6$$  

• $$n^3+7n^2+7n-6$$  

Multiple Choice

How many gallons are in 64.8 quarts? (Hint:  4 qt = 1 gal)

• 16.2 gal

• 259.2 gal

• 0.75 gal
• 11.5 gal

Multiple Choice

How many millimeters are in 65.4 centimeters

• 254mm

• 654mm

• 365mm

• 456mm

Multiple Choice

Chase measured a piece of trim for his house. It is 500 millimeters long. How many centimeters is the trim?

• 45cm

• 62cm

• 75cm

• 50cm

Multiple Choice

Convert 75mph to feet per second.

• 225ft/s

• 150ft/s

• 110ft/s

• 182ft/s

Multiple Choice

If 1 in = 2.54 cm how many centimeters is 11 inches?

• 4.33

• .23

• 27.94

• 12

Multiple Choice

The Olympic record for the high jump is just over 2.6 yards. What is that distance in feet?  (3 ft=1 yd)

• 0.867 ft
• 7.8 ft
• 8.07 ft
• 8.27 ft

Multiple Choice

Convert 62 miles/hour to feet/second

• 5,456 feet/second

• 0.003 feet/second

• 90.9 feet/second

• 909 feet/second

Multiple Choice

Convert 20 tons/year to ounces/day

• 0.0004 ounces/day

• 6.8 ounces/day

• 109.6 ounces/day

• 1,753.42 ounces/day

Multiple Choice

Convert 2,500 gallons/year to cups/day

• 109.6 cups/day

• 54.8 cups/day

• 27.4 cups/day

• 0.43 cups/day