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

Help me please! i dont know how to do this!!!
-7x-2y=-13 x-2y=11 ***PLS SHOW STEPS***
The profit a store makes on rope can be found by subtracting the amount it charges when selling the rope and the price they pay to buy the rope. How much profit
+ See your levels )) A waitress is filling coffee mugs at a diner. She pours 12 fluid ounces into each of 5 mugs from a full pot of coffee. If her coffee pot ho
Albert made a down payment on a condo. Which of the following is true because of the down payment? (5 points) - the condo insurance may be lower - this is less
j(x)= 0.6x+40,00 b(x)=0.9x+35,000
What is the quotient when the whole number 8 is divided by the fraction 1/6
[tex]2x - y = 2,5x + y = -9[/tex]
Four pieces of rope of unknown (but equal) length and 10 more feet of rope are attached together. The resulting rope is 30 feet long. Draw a diagram in your no
The estimated velocity v (in miles per hour) of a car at the end of a drag race is v=234\sqrt[3]{p/w} , where p is the horsepower of the car and w is the weight