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3 years ago

Can you graph X-intercept -3,-2,-1,1 and Y-intercept 5,2,-1,-3

Mathematics

2 answers:

arlik [135]3 years ago

7 0

--Answer--

It's in the picture, desmos will help for graphing.

Gekata [30.6K]3 years ago

7 0

Answer:(-3,5)(-2,2)(-1,-1)(1,-3)

Step-by-step explanation:

ion know it feels right

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Write a polynomial in standard form with the zeros –4, 0, 1, and 4.

Reptile [31]

Step-by-step explanation:

The answer in the picture above

4 0

3 years ago

Find all the integers,b, that make up the trinomial x2 + bx + 10 factorable.

KonstantinChe [14]

By the fundamental theorem of algebra, we can write

$x^2+bx+10=(x-r_1)(x-r_2)$

Expanding the right hand side, we get

$x^2+bx+10=x^2-(r_1+r_2)x+r_1r_2\implies\begin{cases}r_1+r_2=-b\\r_1r_2=10\end{cases}$

We want $b$ to be an integer, which means $r_1,r_2$ must also be integers. This means $r_1,r_2$ must be factors of 10. There are several possibilities:

$r_1=\pm10,r_2=\pm1\implies b=-(10+1)=-11\text{ or }b=-(-10-1)=11$

$r_1=\pm5,r_2=\pm2\implies b=-(5+2)=-7\text{ or }b=-(-5-2)=7$

So there are 4 possible values for $b$ : -11, -7, 7, and 11.

7 0

3 years ago

Please answer this question thank you

Tanya [424]

Answer:

Step-by-step explanation:

What I'm getting at, is that you need to add all the hour sold cups up, and then double it because she expects to sell twice as much. 15 + 11 +5 +6 = 37, and 37 doubled is 74

6 0

2 years ago

Read 2 more answers

Matrices A and B are square matrices of the same size. Prove Tr(c(A + B)) = C (Tr(A) + Tr(B)).

alexira [117]

Answer with Step-by-step explanation:

We are given that two matrices A and B are square matrices of the same size.

We have to prove that

Tr(C(A+B)=C(Tr(A)+Tr(B))

Where C is constant

We know that tr A=Sum of diagonal elements of A

Therefore,