valeriie3611 valeriie3611
  • 11-06-2021
  • Mathematics
contestada

How many real solutions does the quadratic equation
have?
10x^2– 5x – 7 = 0

1. 2
2. 0
3. 1
4. 3

Respuesta :

AlexTrusk
AlexTrusk AlexTrusk
  • 11-06-2021

Answer:

Option 1: 2

Step-by-step explanation:

see the plotting (made with desmos)

note that 3 is impossible, because a quadratic equation can't have 3 real zeros

Ver imagen AlexTrusk
Answer Link

Otras preguntas

The Berlin Conference of 1885 is said to have set off a “scramble for Africa.” That means that Europeans
Economic forecasters predict a long period of job growth and consumer spending. The Federal Reserve is most likely to do which of the following to encourage thi
how old was Abraham Lincoln when he was killed?
Which of the following sources is the most reliable, valid source to include in a historical research paper about the lives of US soldiers fighting in World Wa
In which step of translation does the tRNA become charged? a.initiation b.activation c.elongation
You split wood with an axe. How would you change the axe to make splitting the wood easier? How would you increase its mechanical advantage?
Which of these statements is true about biogeochemical cycles? A) in biogeochemical cycles, nutrients are not synthesized anew but are recycled in the biosphere
the part of the computer that provides access to the internet is the
One pipe fills a tank in 1 hour while another pipe can fill the same tank in 2 hours. How long will it take to fill the tank if both pipes are used?
Evaluate exactly in radians: arctan(1/sqrt(3)).