miyareese28 miyareese28
  • 03-08-2016
  • Mathematics
contestada

What is the value of b2 - 4ac for the following equation? 2x 2 - 2x - 1 = 0

Respuesta :

Аноним Аноним
  • 03-08-2016
For you to make an equation a quadratic equation, you need everything to be on one side, so you add one to both sides. 

2x^2 + 3x + 0=0 

a=2, b=3, c=0 

b^2-4ac (In the next step just plug in your variables) 

3^2 - 4(2)(0) 

9 - 8(0) 

9 - 0 

Your answer=9
Answer Link

Otras preguntas

On a coordinate plane, right triangles A B C and Z Y X are shown. 1. StartFraction A B Over Z Y EndFraction = StartFraction B C Over Y X EndFraction = 2 2. ∠B a
How did Indus Valley cities differ from cities of other early civilizations? o They had high walls. o They were planned out. o They had winding, narrow streets.
Given f (x) = x2 + 5x + 6, what is f of the quantity 2 plus h end quantity minus f of 2 all over h equal to?
Complete the following tag question. Write down only the missing words. The choir has participated in America's Got Talent, ...?​
Based on these insights, you create a clear and direct _____, which will guide your data story.
continue the fragment "Liked clothes that were half one color and half another"
what am i doing. i don’t even know what i don’t know.
Which fraction represents 25% of the offspring in a genetic cross? A B C D
what is an ethical design dilemma
Respond to each question in 3 to 5 complete sentences. Each question is worth six points) 1. What role did Henry Clay and John Marshall have in expanding the fe