favalinasebastian198 favalinasebastian198

04-02-2021
Mathematics

contestada

Given constants a and b such that x2 + ax + b has factors (x + 7) and (x + 2) what is a?

Respuesta :

UnLedZep UnLedZep

04-02-2021

Answer:

a=9 , b=14

Step-by-step explanation:

Just do the operation (x+7)(x+2)

x(x)+x(2)+7(x)+7(2)

x^2+2x+7x+14

x^2+9x+14

So a=9 and b=14

Answer Link

Otras preguntas

Which statement is true about the two lines whose equations are given below? 4x - 2y= 5 4x + 2y=5 Choices They are parallel They are perpendicular They inte

What is the equation of a circle with center (2,-5) and radius 4?

change the following complex sentence to simply sentence.1.It is fact that he is a greedy Man.2.stone that keeps rolling gather no moss.3.I can not help anybody

Question 21. Help me, thanks

how many genes must interact to produce a trait

Lamp Light Limited (LLL) manufactures lampshades. It applies variable overhead on the basis of direct labor hours. Information from LLL’s standard cost card fol

What segment is the projection of QT on RT? A) RS B) ST C) UT

James is a farmer who covers about 70% of his soil surface with crop residue to reduce erosion. Which type of soil preparation is he implementing? 1Points A c

Which sentence contains an example of an oxymoron?A. She ran up the steps like a gazelle and disappeared into thehouse,B. The leaves danced about in the tree, h

Consider the following information: the president can veto the acts of Congress while the legislative branch holds the purse strings and approves presidential n