shalayah2727 shalayah2727
  • 15-05-2020
  • Mathematics
contestada

Solve the quadratic equation.
2x2 − 11x − 21 = 0
A) −
3
2
and 7
B)
3
2
and −7
C) −
2
3
and
1
7
D)
2
3
and −
1
7

Respuesta :

lrstump23 lrstump23
  • 15-05-2020

Answer:

A) -3/2 and 7

Step-by-step explanation:

this equation factors to (2x+3)(x-7)

the goal is to solve for 0

if 2x+3=0 then x=-3/2

if x-7=0 then x=7

Answer Link

Otras preguntas

Butterball says that once the turkey is done, you should let it stand for 15 minutes before serving. Why?
If You Have $100 And You Give Away One Of Each Denomination Of Coin And Currency From $50 Down, How Much Money Would You Have Left?
In what way are education, the economy, health care, family, and mass media alike? A. They have all been destroyed by monarchs. B. They are all social instituti
Describe what happens to an egg during the first 14 days of the cycle?
Which relations are functions and which are not functions? Column A Column B 1. {(3, 2), (6, 4), (9, 6), (12, 8)} 2. {(2, 3), (2, 5), (3, 6), (9, 4)} 3. {(
Which best describes Jefferson’s response to the handling of the Whiskey Rebellion?
Will a double replacement reaction occur if a potassium hydroxide solution is mixed with a lead(II) nitrate solution? Briefly explain.
Which of these writers influenced T. S. Eliot's works the most? Elizabeth Jennings William Empson Ezra Pound John Crowe Ransom
Which was the first cell viewed by the light microscope
1.) Properties of a compound are_____the properties of the elements that make them up. 2.)Compounds form as a result of a______