2 years ago

Polynomials 12y+3y + 2y + y²

Mathematics

2 answers:

Sav [38]2 years ago

5 0

Answer:

If you want this symplafied then it would be 17y+y^2

Rainbow [258]2 years ago

4 0

You will want to combine your like terms. (12y +3y + 2y)
$y^2$ does not have a like term so it will stay single.

Your answer should be:

$y^{2}$ + 17y

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2.Solve the following quadratic equations<br> i. 9x^2 - 1/16<br> ii. 2h^2 - 3h - 27

Juli2301 [7.4K]

$i)~9x^2-\dfrac{1}{16}=0\iff9x^2=\dfrac{1}{16}\iff x^2=\dfrac{1}{9\cdot16}\iff \\\\x^2=\dfrac{1}{144}\iff x=\pm\sqrt{\dfrac{1}{144}}=\pm\dfrac{1}{12}\Longrightarrow\boxed{x=\pm\dfrac{1}{12}}$

$ii)~2h^2-3h-27=0\\\\\Delta=b^2-4ac\to \Delta=(-3)^2-4\cdot2\cdot(-27)\to\Delta=9+216=225\\\\
\Longrightarrow h=\dfrac{-b\pm\sqrt{\Delta}}{2a}=\dfrac{-(-3)\pm\sqrt{225}}{2\cdot2}=\dfrac{3\pm15}{4}\\\\\begin{cases}h_1=\dfrac{3+15}{4}=\dfrac{18}{4}\iff \boxed{h_1=\dfrac{9}{2}}\\h_2=\dfrac{3-15}{4}=\dfrac{-12}{4}\iff\boxed{h_2=-3}\end{cases}$

4 0

2 years ago

2.) Write an equation in slope-intercept form of the line that

Naya [18.7K]

Answer:

D. Y=-3/2x-3

Step-by-step explanation:

(0,-3)

-3=-2/3(0)+b

-3=b

y=-3/2x+3 parallel slope is -3/2

Y=-3/2x-3

8 0

2 years ago

Plz guys help me plz

abruzzese [7]

Answer:

The answer is A!

Step-by-step explanation:

Its correct, I took the quiz :)

4 0

2 years ago

Read 2 more answers

Find the least common denominator and write two equal fractions 1/3 and 2/7

kaheart [24]

Answer:

the common denominator is 21

Step-by-step explanation: Because

8 0

2 years ago

What's the best answer?

anastassius [24]

Answer:

Step-by-step explanation:

x in the first equation because you can divide every other number in that equation by 3.

4 0

2 years ago

Polynomials 12y+3y + 2y + y²​

Polynomials 12y+3y + 2y + y²