Noah12634go Noah12634go

Mathematics

Answered

If −1 is a zero of the polynomial p(x)=ax^3−x^2+x+4, find the value of a.

Answer :

Jimrgrant1go Jimrgrant1go

Answer:

a = 2

Step-by-step explanation:

given x = - 1 is a zero then f(- 1) = 0 , that is

a(- 1)³ - (- 1)² - 1 + 4 = 0

- a - 1 - 1 + 4 = 0

- a + 2 = 0 ( subtract 2 from both sides )

- a = - 2 ( multiply both sides by - 1 )

a = 2

Answer Link

Go Teaching: Other Questions

Inspection Costs At One Of Ratulowski Corporation's Factories Are Listed Below: Units Produced Inspection Costs April 906 $ 16,312 May 951 $ 16,700 June 912 $ 1

Harold Took Five Different Samples Of Thirty-five Randomly Selected Students From The 520 Students He Surveyed. The means Of The Samples Are Shown Below. Sample

Put These In Order 1/9 -0.1 -2/12

What Were Some Of Their Biggest Fears Before Taking A Virtual SC Course

Please Help I'm So Confused Pls Look At Picture 

Pope Planned To Launch A Surprise Attack On The Spaniards. In Which Way Is The Infinitive Acting In The Sentence? as An Adjective Describing Pope as A Prepositi

(Will Mark Brainliest) Please Help As Soon As Possible For 30 Points

Help Me Solve This Pls:)

Elisa Is Saving An Equal Amount Each Week For 8 Weeks To Buy A Video Game That Costs $40. How Much Is She Saving Each Week? A $4B $5C $32 D $48Jesse Chose C As

Choose The Three Details That Support The Fact That Louisiana Purchase Was A Large PurchasePlease Answer Quickly

What Is 2/5x6 Equal To

A Pair Of Shoes Usually Sells For $60. If The Shoes Are 20% Off, And Sales Tax Is 7%, What Is The Total Price Of The Shoes, Including Tax?