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

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

Help With Both Questions Pleaseee . ( Need It For Tomorrow ❤️) .

What is 0.000000000101 written in scientific notation?

The range in size of most atomic radii is approximately _____.5 × 10−11 m to 2 × 10−10 m2 to 5 nm5 × 10−21 m to 2 × 10−20 m2 to 5 cm

Which excerpt from “Initiation” is the best example of an internal conflict? Millicent had waited a long time for acceptance, longer than most. Rebellion floode

23.0956 to the nearest 10nth and thousandth

Write the number equal to 7 tens and 3 ones

Leanne multiplied 8 times 4.3 and got 32.24. Is Leanne correct use an area model to explain your answer

You pay $ 1.00 to buy a package of paper napkins costing $ .64. how much change will you get back? give the expression also.

(b) Decide which estimate is closest to the actual answer. Explain your reasoning. (d) A store bought 35 lb of produce. If the store spent $100.80, about how mu

It can be seen on a cladogram that modern birds and reptiles share a common ancestor. select the piece of evidence that best supports this idea