xoashieeee xoashieeee

09-07-2020
Mathematics

contestada

Which function has real zeros at x = 3 and x = 7?
f(x) = x2 + 4x - 21
Cf(x) = x2 - 4x - 21
Cf(x) = x2 - 10x + 21
f(x) = x2 - 10x - 21

Respuesta :

Soboredgirl13 Soboredgirl13

09-07-2020

Answer:

f(x) = x2 – 10x + 21

Step-by-step explanation:

I got it because you substract and add the last part

Answer Link

Otras preguntas

Which statement describes a characteristic common to all electromagnetic waves and mechanical waves? (1) Both types of waves travel at the same speed. (2) Both

What is the value of n in the equation 0.2(n - 6) = 2.8? (1) 8 (3) 20 (2) 2 (4) 44

NATO and the Warsaw Pact were two competing alliances during which time period?

The density of ethanol is 0.789 g/cm3 at 20°C. What volume of ethanol has a mass of 15.5 grams?

Why do ionic bonds have strong intermolecular forces? (Imfs) & Why do covalent bonds have weak intermolecular forces? (Imfs)

The Great Wall of China and the Berlin Wall were both intended to (1) halt the spread of communism (2) isolate unpopular governments (3) limit the

A coin is tossed 50 times, and it lands on heads 28 times. Find the experimental probability and the theoretical probability of the coin landing on heads. Then,

Which achievements are most closely associated with the Golden Age of Islamic culture? (1) mosques, medical books, and algebra (2) gunpowder, pagodas, an

most muslims are sunni muslims ; however, the shiites are a forceful minority in some parts of the middle east. the sunni-shiite split in islam developed over

The wavelength of a wave doubles as it travels from medium A into medium B. Compared to the wave in medium A, the wave in medium B has (1) half the speed (2) tw