tbogard0001 tbogard0001

03-07-2020
Mathematics

contestada

Which of the following are solutions to the quadratic equation below?
Check all that apply.
X^2+ 8x=9
A. -3
B. 1
C. -9
D. -1
E. 3

Respuesta :

Alfpfeu Alfpfeu

03-07-2020

Answer:

1 and -9

Step-by-step explanation:

[tex]x^2+8x-9=0\\<=> x^2-x+9x-9=0\\<=> x(x-1)+9(x-1)=0\\<=> (x+9)(x-1)=0\\<=> x = -9 \ \ or \ \ x =1\\[/tex]

hope this helps

Answer Link

Otras preguntas

How can cultural experiences and perspectives be conveyed through memorable narratives?

All the below may be said of figurative language except _____. A.it may be interpreted literally B.it may include irony C.it may include metaphor D.it may inclu

Guam · Philippines · Puerto Rico All of these territories came under the control of the United States following what conflict?

What was NOT true of the aftermath of WWI? A. An entire generation of young men was lost. B. The war debt incurred by Germany worsened the Great Depression i

Humayun was the only Mughal emperor to lose his throne and then get it back.

Simplify -3p3 5p (-2p2) (-4) - 12p 5 - (-8p3).

What is the slope of this graph?

Suppose a historian wanted to argue that the Enlightenment had a more positive influence on the American Revolution than on the French Revolution. Which stateme

Three numbers form a g.p.if the first and third numbers are 5and245 respectively,find two possible values for the middle number.

simplify 4i(-2 - 8i ) =