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bearhunter [10]
3 years ago
12

Write a quadratic function f whose zeros are -10 and -2

Mathematics
2 answers:
statuscvo [17]3 years ago
7 0

f(x) = (x - -10)(x - -2)

We could stop here and have answered the question.

f(x) = (x+10)(x+2) = x^2 + 12 x + 20

Answer: f(x)=x^2+12x + 20

PtichkaEL [24]3 years ago
3 0
Hiiiiiiiiiiiiiiii mate......

here is your answer......✌✌✌✌

let alpha = -10 and beeta = -2
sum of zeroes= (alpha+beeta)=-10+-2=-12
product of zeroes= alpha.beeta= -10×-2=20
so,the required polynomial is

x^2-(alpha+beeta)X+alpha.beeta
x^2+12x+20

hope it help you...
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Given the following 2 equations, state whether these equations are parallel, perpendicular, or neither.
stiks02 [169]

Answer:

Neither

Explanation:

The slope-intercept form of the equation of a line is generally given as;

y=mx+b

where m = the slope of the line

b = the y-intercept of the line

Two lines are said to be parallel if they have the same slope. Looking at the two given equations below, we see that the slope of the 1st one, 5/7, is different from the slope of the 2nd one, 7/5;

\begin{gathered} y=\frac{5}{7}x+14 \\ y=\frac{7}{5}x-20 \end{gathered}

Two lines are said to be perpendicular if their slopes are negative reciprocals of each other, let's go ahead and compare their slopes;

\begin{gathered} m_1=\frac{5}{7} \\ m_2=\frac{7}{5} \\ \therefore m_2=\frac{1}{m_1_{}} \end{gathered}

So the two lines are not perpendicular to each other. It, therefore, means that the correct answer will be Neither.

3 0
1 year ago
Sam is observing the velocity of a car at different times. After three hours, the velocity of the car is 51 km/h. After five hou
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Original price of a phone: $129.99<br> Tax: 2%
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$132.59 is the answer

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goldfiish [28.3K]
From 2000 to 2011, there are 11 years. From the given function, we can calculate the profit for a small business at the end of 2011 by substituting 11 to the x of the given equation. 
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4 0
3 years ago
A bag with 6 marbles has 2 yellow marbles, 1 blue marble, and 3 red marbles. A marble is chosen from the bag at random. What is
motikmotik

Answer:

P = 1/3

P = 0.333

Step-by-step explanation:

There are 6 marbles in the pack, two of them are yellow.

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Hope this helps

7 0
2 years ago
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