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bulgar [2K]
2 years ago
6

f(x)=−7x 2 +8x+2f, left parenthesis, x, right parenthesis, equals, minus, 7, x, squared, plus, 8, x, plus, 2 What is the value o

f the discriminant of fff? How many xxx-intercepts does the graph of fff have?
Mathematics
1 answer:
vlada-n [284]2 years ago
8 0

The discriminant of the function is 120, and the function has 2 different x-intercepts

<h3>How to determine the discriminant?</h3>

The function is given as:

f(x) = -7x^2 + 8x + 2

The discriminant (d) is calculated using:

D =b^2 - 4ac

So, we have:

D = 8^2 - 4 * (-7) * 2

Evaluate

D = 120

Because the value of D is greater than 0, then the function has 2 different x-intercepts

Read more about quadratic functions at:

brainly.com/question/1214333

#SPJ1

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Please answer I will be giving out brainliest and 2<br>7 points.​
maria [59]
1. 21 peanuts per minute
2. 9 texts per minute
3. 28 pages per hour OR half a page per minute

4. The first option is the cheapest. You can find what one ounce costs for each barrel by dividing the cost by the total ounces.

6 0
3 years ago
Can someone please answer this question please answer it correctly and please show work please help me I need it
vaieri [72.5K]

Answer:

A

Step-by-step explanation:

Lets find the values:

<em>Gained</em><em> </em>2.2 kg = 2.2

<em>Lost</em><em> </em>1.5 kg = (-1.5)

<em>Lost</em><em> </em>3.7 kg = (-3.7)

Adding these would be represented by the equation:

2.2 + (-1.5) + (-3.7) = ?

3 0
3 years ago
Can y’all help me please
likoan [24]

Answer:

y = -4x + 60

Step-by-step explanation:

(0, 60) and (4,44)

Slope:

m=(y2-y1)/(x2-x1)

m=(44 - 60)/(4-0)

m= (-16)/4

m= -4

Slope-intercept:

y - y1 = m(x - x1)

y - 60 = -4(x - 0)

y - 60 = -4x

y = -4x + 60

8 0
3 years ago
Read 2 more answers
Eliott was trying to factor 6x^2-18 . He found that the greatest common factor of these terms was 6 and made an area model:
Semenov [28]

x²-3

Step-by-step explanation:

The expression given is;

6x²-18

Finding the greatest common factor of the terms and simplifying the expression will be;

Divide the terms by 6 to get;

x²-3

Graphing the expression to find the area model will be as attached;

Learn More

Factorizing expressions:brainly.com/question/12290978

Keywords : factor, greatest common factor, terms, area model

#LearnwithBrainly

4 0
3 years ago
Write the following as an equation. Amy is 16 yrs older than Peter, whose age is 'x' yrs. 6 yrs ago, her age was twice Peter's a
azamat
Amy's current age is 16 years greater than Peter's age, so Amy's current age is equal to x + 16.

6 years ago, Amy's age was equal to twice that of Peter's age at that point, so her age was 2(x - 6).

As currently her age is x + 16 then 6 years ago her age was x + 16 - 6, which is x + 10.

As 6 years ago her age was equal to 2(x - 6) and x  + 10, we can see that x + 10 = 2(x - 6).
5 0
3 years ago
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