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3 years ago

I will give yall extra points please help

Mathematics

2 answers:

mash [69]3 years ago

7 0

Answer:

-63

Step-by-step explanation:

Solve parenthisis first. Solve the exponent inside the parenthhisis. 4 to the 2nd power is 16. -25+16=-9. -9*7=-63

Ksju [112]3 years ago

3 0

Answer:

Step-by-step explanation:

PEDMAS stands for

Parentheses (brackerts

Exponents (squared, squared roots, powers)

Divide and Multiply from left to right

Add and Subtract from left to right

This means in this case that we first look at everything inside the brackets and at the end multiply by 7. The inside of the brackets says -25 + 4². In PEDMAS, the E (exponent) comes before A (add), so we do 4² first and then we do the -25. This results in:

-25 + 4² =

-25 + 16 =

-9

So now we are left with (-9) x 7

This is just a multiplication which gives us -63.

I hope this helps!

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Find a third degree polynomial function of the lowest degree that has the zeros below and whose leading coefficient is one.

Tanzania [10]

Answer:

The polynomial function of the lowest degree that has zeroes at -1, 0 and 6 and with a leading coefficient of one is $p(x) = x^{3}-5\cdot x^{2}-6\cdot x$ .

Step-by-step explanation:

From Fundamental Theorem of Algebra, we remember that the degree of the polynomials determine the number of roots within. Since we know three roots, then the factorized form of the polynomial function with the lowest degree is:

$p(x) = (x-r_{1})\cdot (x-r_{2})\cdot (x-r_{3}) = 0$ (1)

Where $r_{1}$ , $r_{2}$ and $r_{3}$ are the roots of the polynomial.

If we know that $r_{1} = -1$ , $r_{2} = 0$ and $r_{3} = 6$ , then the polynomial function in factorized form is:

$p(x) = (x+1)\cdot x \cdot (x-6)$ (2)

And by Algebra we get the standard form of the function:

$p(x) = x\cdot (x+1)\cdot (x-6)$

$p(x) = x\cdot (x^{2}-5\cdot x -6)$

$p(x) = x^{3}-5\cdot x^{2}-6\cdot x$ (3)

The polynomial function of the lowest degree that has zeroes at -1, 0 and 6 and with a leading coefficient of one is $p(x) = x^{3}-5\cdot x^{2}-6\cdot x$ .

6 0

3 years ago

72 greater than r is less than −432

pshichka [43]

its Greater than

Step-by-step explanation:

the 72 is a positive and -432 is a negative cause it has a minus

6 0

3 years ago

Question 1 (1 point)

dimulka [17.4K]

Answer: ik 2/3 Ian one but don’t know about the others