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

Does society influence how we view things?
Why is attitude an important fitness level factor to consider
Make x the subject of the formula y=(5t+5x)
Allen loves to play Angry Birds on his iPad. Yesterday he completed 16 out of the 48 new levels. If Allen plays at the same rate,how many levels would he comple
Why does the author include these sentences in the article? When Japan invaded China in 1937, it used 50,000 bike riding troops." "In World War II, British sold
I don’t understand the meaning of these words,please help me
How many solutions does the system have? 3x + y = 8 2 + 2y = 8
What comes first the egg or the chicken?​
1 Point Which is a physical detail of setting? O A. A screaming teakettle O B. A lighthearted feeling O c. A sense of danger O D. Bitter resentment SUBMIT
1 Point Which is a physical detail of setting? O A. A screaming teakettle O B. A lighthearted feeling O c. A sense of danger O D. Bitter resentment SUBMIT