Review - Multiplying Polynomials · Review - Multiplying Polynomials Author: Allison Coe Created...

4
3.7 – Distributive Property MPM1D Jensen 1. Which expression shows 3(! + 5) expanded? A) 3! + 15 B) 3! + 5 C) 3! 8 D) 3! 15 2. Expand using the distributive property a) 4(! + 2) b) 5(! 3) c) 2(! + 1) d) 8(2 !) e) 5(2! 3) f) (4! 5) 3. Expand a) !(! 4) b) !(! + 5) c) !(2! 5) d) !(4! + 8) e) !(3! + 2) f) !(! 5) 4. Expand a) 2!(3! 5) b) 4!(3! 1) c) 2!(4! + 3) d) (4! + 7)(3!)

Transcript of Review - Multiplying Polynomials · Review - Multiplying Polynomials Author: Allison Coe Created...

Page 1: Review - Multiplying Polynomials · Review - Multiplying Polynomials Author: Allison Coe Created Date: 4/8/2020 2:45:58 PM ...

3.7$–$Distributive$Property$MPM1D%Jensen%%%1.%Which%expression%shows%−3(! + 5)%expanded?%%

A) −3! + 15%B) −3! + 5%C) −3! − 8%D) −3! − 15%

%2.%Expand%using%the%distributive%property%%a)%4(! + 2)% % % b)%5(! − 3)% % % c)%−2(! + 1)%%%%%d)%−8(2− !)% % % e)%5(2! − 3)% % % f)%– (4! − 5)%%%%%3.%Expand%%a)%!(! − 4)% % % b)%!(! + 5)% % % c)%!(2! − 5)%%%%%%d)%!(−4! + 8)% % e)%!(−3! + 2)%% % f)%!(−! − 5)%%%%%%%4.%Expand%%a)%2!(3! − 5)%% % % % b)%−4!(3! − 1)%%%%%c)%2!(−4! + 3)% % % % d)%(4! + 7)(−3!)%%%%

Page 2: Review - Multiplying Polynomials · Review - Multiplying Polynomials Author: Allison Coe Created Date: 4/8/2020 2:45:58 PM ...

5.%Expand%using%distributive%property%%a)% ! − 5 !×!4%% % % % b)%(7! + 6)(−4)%%%%%c)%(7+ !)(3!)%% % % % d)%(4! + 7)(−3!)%%%%%%6.%Expand%%a)%2(!! + 5! + 3)% % % % b)%4!(!! + ! − 3)%%%%%%c)%−5!(3!! − 7! − 2)% % % d)%(2!! + 3! − 1)(4!)%%%%%%%7.%Expand%and%Simplify%%a)%3 ! + 2 + 4(! − 5)% % % b)%−4 ! + 1 + 2(2! − 3)%%%%%%%%%%c)%2 ! + ! − 3(! − !)% % % d)%4 ! − 2 − 2(2! + 7)%%%%%%%%%%%

Page 3: Review - Multiplying Polynomials · Review - Multiplying Polynomials Author: Allison Coe Created Date: 4/8/2020 2:45:58 PM ...

8.%Expand%and%Simplify%%a)%3[! + 2 ! − 4 ]% % % b)%3[2! − 2+ ! ]% % % c)%2[−ℎ − 2 ℎ − 1 ]%%%%%%%%%9.%A%garden%has%dimensions%as%shown:%%a)%Write%a%simplified%expression%to%represent%the%perimeter.%%%%%%%%%%b)%Write%a%simplified%expression%for%the%area.%%%%%%%%%%%10.%Expand%and%simplify%%a)%3 ! − 2 − 2 4− 2! + (6− 7!)% % % b)%4! ! − 3 − 2 !! − 3! + 4 − (!! − 5)%%%%%%%%c)%!! 3! + 2 + !

! (4! − 2)% % % % % d)%!! ! − 2! + !! (3! − 2!)%

%%%%%%

Page 4: Review - Multiplying Polynomials · Review - Multiplying Polynomials Author: Allison Coe Created Date: 4/8/2020 2:45:58 PM ...

Answers$%

1) D%2) a)%4! + 8%%b)%5! − 15%%c)%−2! − 2%%d)%−16+ 8!%%e)%10! − 15%%f)%−4! + 5%3) a)%!! − 4!%%b)%!! + 5!%%c)%2!! − 5!%%d)%−4!! + 8!%%e)%−3!! + 2!%%f)%−!! − 5!%4) a)%6!! − 10!%%b)%−12!! + 4!%%c)%−8!! + 6!%%d)%−12!! − 21!%5) a)%4! − 20%%b)%−28! − 24%%c)%3!! + 21!%%d)%−12!! − 21!%6) a)%2!! + 10! + 6%%b)%4!! + 4!! − 12!%%c)%−15!! + 35!! + 10!%%d)%8!! + 12!! − 4!%7) a)%7! − 14%%b)%P10%%c)%–! + 5!%%d)%P22%8) a)%9! − 24%%b)%3! − 6%%c)%−6ℎ + 4%9) a)%10! + 2%%b)%6!! + 2!%10) a)%P8%%b)%!! − 6! − 3%%c)%2! + !

!%%d)%!!! %

%%%