<< Chapter < Page Chapter >> Page >


( x 8 y 10 ) 1 2
( a 9 b 12 ) 1 3

Got questions? Get instant answers now!


( r 8 s 4 ) 1 4
( u 15 v 20 ) 1 5

r 2 s u 3 v 4

Got questions? Get instant answers now!


( a 6 b 16 ) 1 2
( j 9 k 6 ) 2 3

Got questions? Get instant answers now!


( r 16 s 10 ) 1 2
( u 10 v 5 ) 4 5

r 8 s 5 u 8 v 4

Got questions? Get instant answers now!


r 5 2 · r 1 2 r 3 2
s 1 5 · s s 9 5

Got questions? Get instant answers now!


a 3 4 · a 1 4 a 10 4
b 2 3 · b b 7 3

a 3 b 4

Got questions? Get instant answers now!


c 5 3 · c 1 3 c 2 3
d 3 5 · d d 2 5

Got questions? Get instant answers now!


m 7 4 · m 5 4 m 2 4
n 3 7 · n n 4 7

m n 2

Got questions? Get instant answers now!

( 64 s 3 5 ) 1 6

2 s 1 10

Got questions? Get instant answers now!

( u 12 v 18 ) 1 6

u 2 v 3

Got questions? Get instant answers now!

Everyday math

Landscaping Joe wants to have a square garden plot in his backyard. He has enough compost to cover an area of 144 square feet. Simplify 144 1 2 to find the length of each side of his garden.

Got questions? Get instant answers now!

Landscaping Elliott wants to make a square patio in his yard. He has enough concrete to pave an area of 242 square feet. Simplify 242 1 2 to find the length of each side of his patio.Round to the nearest tenth of a foot.

15.6 feet

Got questions? Get instant answers now!

Gravity While putting up holiday decorations, Bob dropped a decoration from the top of a tree that is 12 feet tall. Simplify 12 1 2 16 1 2 to find how many seconds it took for the decoration to reach the ground. Round to the nearest tenth of a second.

Got questions? Get instant answers now!

Gravity An airplane dropped a flare from a height of 1024 feet above a lake. Simplify 1024 1 2 16 1 2 to find how many seconds it took for the flare to reach the water.

8 seconds

Got questions? Get instant answers now!

Writing exercises

Show two different algebraic methods to simplify 4 3 2 . Explain all your steps.

Got questions? Get instant answers now!

Explain why the expression ( −16 ) 3 2 cannot be evaluated.

Got questions? Get instant answers now!

Section 9.1 Simplify and Use Square Roots

Simplify Expressions with Square Roots

In the following exercises, simplify.

Estimate Square Roots

In the following exercises, estimate each square root between two consecutive whole numbers.

Approximate Square Roots

In the following exercises, approximate each square root and round to two decimal places.

Simplify Variable Expressions with Square Roots

In the following exercises, simplify.

Section 9.2 Simplify Square Roots

Use the Product Property to Simplify Square Roots

In the following exercises, simplify.

108 r 5 s 3

6 r 2 s 3 r s

Got questions? Get instant answers now!

Use the Quotient Property to Simplify Square Roots

In the following exercises, simplify.

36 r 10 16 r 5

3 r 2 r 2

Got questions? Get instant answers now!

12 r 5 s 7 75 r 2 s

2 r s 3 r 5

Got questions? Get instant answers now!

Section 9.3 Add and Subtract Square Roots

Add and Subtract Like Square Roots

In the following exercises, simplify.

8 13 + 2 3 + 3 13

11 13 + 2 3

Got questions? Get instant answers now!

3 5 x y 5 x y + 3 5 x y

Got questions? Get instant answers now!

2 3 r s + 3 r s 5 r s

3 3 r s 5 r s

Got questions? Get instant answers now!

Add and Subtract Square Roots that Need Simplification

In the following exercises, simplify.

6 18 n 4 3 8 n 4 + n 2 50

17 n 2 2

Got questions? Get instant answers now!

Section 9.4 Multiply Square Roots

Multiply Square Roots

In the following exercises, simplify.

( 6 2 y ) ( 3 50 y 3 )

180 y 2

Got questions? Get instant answers now!

Use Polynomial Multiplication to Multiply Square Roots

In the following exercises, simplify.

10 ( 2 7 )

20 10 7

Got questions? Get instant answers now!

( 5 + 2 ) ( 3 2 )

13 2 2

Got questions? Get instant answers now!

( 5 3 7 ) ( 1 2 7 )

Got questions? Get instant answers now!

( 1 3 x ) ( 5 + 2 x )

5 13 x 6 x

Got questions? Get instant answers now!

( 3 + 4 y ) ( 10 y )

Got questions? Get instant answers now!

( 1 + 6 p ) 2

1 + 12 p + 36 p

Got questions? Get instant answers now!

( 3 + 2 7 ) ( 3 2 7 )

−19

Got questions? Get instant answers now!

Section 9.5 Divide Square Roots

Divide Square Roots

Questions & Answers

if three forces F1.f2 .f3 act at a point on a Cartesian plane in the daigram .....so if the question says write down the x and y components ..... I really don't understand
Syamthanda Reply
hey , can you please explain oxidation reaction & redox ?
Boitumelo Reply
hey , can you please explain oxidation reaction and redox ?
Boitumelo
for grade 12 or grade 11?
Sibulele
the value of V1 and V2
Tumelo Reply
advantages of electrons in a circuit
Rethabile Reply
we're do you find electromagnetism past papers
Ntombifuthi
what a normal force
Tholulwazi Reply
it is the force or component of the force that the surface exert on an object incontact with it and which acts perpendicular to the surface
Sihle
what is physics?
Petrus Reply
what is the half reaction of Potassium and chlorine
Anna Reply
how to calculate coefficient of static friction
Lisa Reply
how to calculate static friction
Lisa
How to calculate a current
Tumelo
how to calculate the magnitude of horizontal component of the applied force
Mogano
How to calculate force
Monambi
a structure of a thermocouple used to measure inner temperature
Anna Reply
a fixed gas of a mass is held at standard pressure temperature of 15 degrees Celsius .Calculate the temperature of the gas in Celsius if the pressure is changed to 2×10 to the power 4
Amahle Reply
How is energy being used in bonding?
Raymond Reply
what is acceleration
Syamthanda Reply
a rate of change in velocity of an object whith respect to time
Khuthadzo
how can we find the moment of torque of a circular object
Kidist
Acceleration is a rate of change in velocity.
Justice
t =r×f
Khuthadzo
how to calculate tension by substitution
Precious Reply
hi
Shongi
hi
Leago
use fnet method. how many obects are being calculated ?
Khuthadzo
khuthadzo hii
Hulisani
how to calculate acceleration and tension force
Lungile Reply
you use Fnet equals ma , newtoms second law formula
Masego
please help me with vectors in two dimensions
Mulaudzi Reply
how to calculate normal force
Mulaudzi
Got questions? Join the online conversation and get instant answers!
Jobilize.com Reply
Practice Key Terms 1

Get Jobilize Job Search Mobile App in your pocket Now!

Get it on Google Play Download on the App Store Now




Source:  OpenStax, Elementary algebra. OpenStax CNX. Jan 18, 2017 Download for free at http://cnx.org/content/col12116/1.2
Google Play and the Google Play logo are trademarks of Google Inc.

Notification Switch

Would you like to follow the 'Elementary algebra' conversation and receive update notifications?

Ask