Radical Roots

Radical Roots

100

Find the root.

-sqrt81

What is -9 ?

200

Find the root.

+-sqrt1.44

What is 

+-1.2  ?

300

Find the root.

³sqrt(-216)

What is -6  ?

400

Solve.

9/64=c^2

What is

+-3/8  ?

500

Solve.

a^2=1.21

What is 

+-1.1 ?

600

Solve.

1/8=z^3

What is 

1/2 ?

700

Solve.

sqrtx=5

What is 25?

Estimate It!

100

Estimate to the nearest integer.

sqrt125

What is 

approx 11 ?

200

Estimate to the nearest integer.

sqrt23.5

What is 

approx 5 ?

300

Estimate to the nearest integer.

³sqrt59

What is 

approx 4 ?

400

Estimate the solution to the nearest integer.

y^2=55

What is 7 or -7?

500

Estimate the solution to the nearest integer.

p^2=6.8

What is 3 or -3?

600

A cube has a volume of 210 in³. Estimate the side length of the cube to the nearest integer.

What is

3sqrt210approx6

700

Jacob is buying a bag of grass seed. The two-pound bag will cover 1,000 square feet of lawn. Estimate the side length of the largest square Jacob could seed if he purchases 5 bags.

What is 70 feet on each side?

Very Vocabulary

100

25 is called this because it is the square of an integer.

What is a perfect square?

200

The set of numbers made up of all rational and irrational numbers.

What are real numbers?

300

One of the two equal factors of a number.

What is the square root?

400

This symbol is used to indicate the principal square root.

What is the radical sign?

500

One of the three equal factors of a number.

What is the cube root?

600

64 is called this because it is the cube of an integer.

What is a perfect cube?

700

A number that cannot be expressed as a ratio ^a/_b, where a and b are integers and b is not 0.

What is an irrational number?

Time to Compare

100

Name all sets of numbers to which 14 belongs.

What is real, rational, integer, whole, natural?

200

Name all sets of numbers to which

-sqrt16

 belongs.

What is real, rational, integer?

300

Name all sets of numbers to which

^-3sqrt90

belongs.

What is real, rational?

400

Compare using <, > or =.

6 1/3       3sqrt240

6 1/3 >  3sqrt240

500

Compare using <, > or =.

240%       sqrt5.76

240% = sqrt5.76

600

Fill in with <. > or = to make a true statement.

3+sqrt7       6

What is 

3+sqrt7 < 6  ?

700

Fill in with <. > or = to make a true statement.

4-sqrt10       sqrt2

4-sqrt10 > sqrt2

Hodge Podge

100

Solve the equation.

m^3=8,000

What is 20 ?

200

Find the square root.

-sqrt(64/225)

What is 

-8/15 ?

300

Simplify.

sqrt(x+5)²

What is x+5?

400

Order from least to greatest.

-sqrt17, -4.111...., -415%, -4.08

What is 

-415%, -sqrt17, -4.1111..., -4.08  ?

500

Order from least to greatest.

sqrt5, sqrt6, 2.5, 2.55, 7/3

What is

sqrt5, 7/3, sqrt6, 2.5, 2.55 ?

600

A concert crew needs to set up some chairs on the floor level. The chairs are to be placed in a square pattern consisting of four square sections. If one of the square sections holds 900 chairs, how many chairs will there be along each length of the larger square?

 What is 60 chairs?

900 + 900 = 1,800

sqrt1800 = 60

700

About how much greater is the perimeter of a square with area 250 square meters than a square with an area of 125 square meters?

What is

approx 18.52 m ?

 

sqrt250approx15.81 m

sqrt125approx11.18

4*15.81 - 4*11.18 = 18.52