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

While a star is being observed through a telescope, the visible light coming from the star shifts from red to blue. Which is true about this star? I know f

How are fossils of extinct organisms included in branching diagrams

what celebrations do muslims do in the festival of Mawlid???

a period of abnormally high emotion and activity is called??

Please translate the following to French: - The uniform is okay. I like the colours on it, such as the blue on the blazer. - The food here is horrible and overp

What is the equation for a quadratic equation?

what is 30% of ( ) equals 60, find the missing number. ALso if possible please provide your strategy for finding this awnser so I can use it in the future, i

The sum of three consecutive even numbers is 66. What is the smallest of these numbers

for f(x)=x+3 and g(x)=4x+5 find the following functions(simplify answers) (f*g)(x)= (g*f)(x)= (f*g)(-1)=

An elevator moving down passes its neighbor, an elevator moving up. Their speed relative to one another is 8 m/s. What is the velocity of each elevator relative