hawkswoopergami hawkswoopergami
  • 19-04-2018
  • Mathematics
contestada

Determine the zeros of each function by factoring:

a) f(x)=-2x^2-5x+12

b) f(x)=2x^2-3x-2

Respuesta :

qadassa
qadassa qadassa
  • 19-04-2018
a) f(x) = -2x² - 5x + 12
0 = -2x² - 5x + 12
0 = -2x² - 8x + 3x + 12
0 = -2x(x+4) + 3(x+4)
0 = (-2x+3) + (x+4)
x = 3/2, x = -4

b) f(x) = 2x² - 3x - 2
0 = 2x² - 3x - 2
0 = 2x² - 4x + x - 2
0 = 2x(x-2) + 1(x-2)
0 = (2x+1)(x-2)
x = 2, x = -1/2
Answer Link

Otras preguntas

explain how the land, the climate and the people who settled the southern colonies all led to the development of the plantations system
find the area of triangle ABC ​
BEING TIMED HELP YA GIRL OUT PLEASEEE!!! Please select the word from the list that best fits the definition supports the theory that the universe is expanding
Which area has atmospheric conditions that produce the lowest boiling point of water
What is the purpose of the arrow in a chemical equation? A. It indicates the direction in which the reaction occurs. B. It separates the elements from the co
In horses, black hair color is dominant to chestnut hair color. If the black horse is homozygous, what is its genotype? If the black horse is heterozygous, w
In a field, water flows down through the soil and then through a layer of loose rocks before the flow stops. What type of material did the water most likely enc
Where does the pacific nw tree octopus live
Find the height of each pyramid: square pyramid: volume 225 cubic inches, base edge 5 inches
2. Multiply. Use the distributive property.a. 6 x 8my daughter needs help please​