Wadi25go Wadi25go

Mathematics

Answered

Solve the simultaneous equations 3x²+ 2x = y²- y + 50, 2x = y +5.

Answer :

Really226go Really226go

Answer:

(x,y) = (4,3), (20,35)

Step-by-step explanation:

3x²+ 2x = y²- y + 50

2x = y +5

y=2x-5, sub into 3x²+ 2x = y²- y + 50

[tex]3x^2+2x=(2x-5)^2-(2x-5)+50\\3x^2+2x=4x^2-20x+25-2x+5+50\\0=x^2-24x+80\\x=20 ,4\\[/tex]

sub into y=2x-5

y= 35, 3

Answer Link

Go Teaching: Other Questions

What Is The Difference Between Sanitizing And Disinfecting

Which Tribe Lived In Northwest Florida? A Map Of Native Tribes In Florida With A Compass Rose Showing North At The Top, East At The Right, South At The Bottom,

When Light Passes From Air To Water, What Factor Does Its Wavelength Decrease By?

Which Statement Best Describes The Shift In Public Perceptions Of Women Depicted In The Women Who Went To The Feild

I Need Help Understanding This, Help Me Please :)

What Is The Value Of The Expression -(-4)(-6)-3/5(10+15) Divided By 1/3

Simplify The Following Expression 2√2 X √12

ΔABC Has Three Sides With These Lengths: AB = 9, BC = 40, And CA = 41. What Is The Value Of Cos C?

Answer Please I'm Not That Sure On This

PYTHON PY 9.14 LAB: Triangle Area Comparison (classes) Given Class Triangle, Complete The Program To Read And Set The Base And Height Of Triangle1 And Triangle2

Ok So Im Confused How Do You Add People As Friends plz Help

Please Help With Any Of The Questions 2-9