Monkeybeansgo Monkeybeansgo

Mathematics

Answered

Find the discriminant to determine the number of roots, then solve the quadratic equation using the quadratic formula.

2x^2+7x-4=0

Answer :

Silirobert15go Silirobert15go

[tex]2x^2 + 7x -4=0 \\<=> 2x^2+8x-x-4=0 \\<=>2x(x+4)-(x+4)=0\\<=>(x+4)(2x-1)=0\\<=> x+4=0 /or/ 2x-1=0\\<=>x=-4/or/x=\frac{1}{2}=0.5[/tex]

ok done. Thank to me :>

Answer Link

Go Teaching: Other Questions

Find The 13th Term Of The Geometric Sequence 3,-15,75

Which Methods Will Determine 40% Of 72? Choose All Correct Answers Determine 1% Of 72 And Multiply The Result By 4 Determine 10% Of 72, And Multiply The Result

Calculate If You Trade 18 Bolts Of Silk, How Many Horses Could you Obtain In Ancient China

Y = 10 Is A Solution For 7(x + 9) = 132

Select The Prime Number In Each Exercise 37, 38, 39, 40, 42

If Θ Is An Angle In Standard Position And Its Terminal Side Passes Through The Point (1,-8), Find The Exact Value Of Csc Θ In Simplest Radical Form.

Please Help Me, I Can't Do It And I'm Lazy

HELPP, I Don't Understand This Practice Question:(

What Is The Difference Between The First 10 Amendments And Subsequent Amendments?

What Dose This Equal 2(6x-4)=3(6x+2)

Which Answer Choice Is Punctuated Correctly? "I Need To Leave In Ten Minutes" Vince Said. "I Need To Leave In Ten Minutes," Vince Said. I Need To Leave In Ten M

Whats The Diffrence Between Coincidence And Destiny