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GenaCL600 [577]
3 years ago
12

F(x) = 3x2 + 12x + 5

Mathematics
1 answer:
loris [4]3 years ago
6 0

Answer:

Discriminate is 84

And F(2) is 41

Step-by-step explanation:

Discriminate of a quadratic equation is given by

D=b^2-4aC

Given

F(x)=3x^2+12x+5

a=3,b=12 and C=5

D= 12^2-4*3*5=84

For F(2)

F(2)=3(2)^2+12(2)+5=41

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PLEASE HELP!!!!!!!!! 32 POINTS.
adelina 88 [10]
The answer is 96 for this
4 0
2 years ago
1. whats the midpoint between (7,3) and (-3,-1)
Elanso [62]

Answer:

(2, 1 )

Step-by-step explanation:

Given endpoints (x₁, y₁ ) and (x₂, y₂ ) then the midpoint is

( \frac{x_{1}+x_{2}  }{2}, \frac{y_{1}+y_{2}  }{2} )

Here (x₁, y₁ ) = (7, 3) and (x₂, y₂ ) = (- 3, - 1) , then

midpoint = ( \frac{7-3}{2}, \frac{3-1}{2} ) = ( \frac{4}{2}, \frac{2}{2} ) = (2, 1 )

5 0
3 years ago
If you have a job that earns $120 in 2 days, how much would you earn in 6 days? Use a chart to show the proportion of earnings f
zepelin [54]
To figure this out, we need to use fractional proportions.

Currently, we have $120, the amount earned, and 2 days, the current rate.
Our fraction for this is: 120 / 2 = x / 6, x being the amount earned in 6 days.

Let's use a little technique to help us answer faster.

With our current money earned, 120, and our current days, 2, we can divide 120 by 2 to find out how many we earned in 1 day.

120 / 2 = 60.

We earned $60 per day.

With this formula, 60d, d being the amount of days, we can solve quicker.

We are solving for 6 days, so multiply $60 by 6 days.

60 x 6 = 360

Your proportion is : 

120/2 : 360/6

I hope this helps!
6 0
3 years ago
It says circle the numbers that are prime 21, 3, 18, 51, 2, 17, 6, 1, 91,
uysha [10]
3 and 17 that’s all there is to it, prime numbers are numbers that don’t divide by anything but itself and one
8 0
3 years ago
What is the value of the underline digit 56.123 1 is underlined.A.ten B.one C.one-tenth D.one-hundredth ? Not sure if it is ten
Triss [41]
1 is in the one-tenths place. If 2 was in this spot, it would be two-tenths.

Here are the place values for the question's given number of 56.123.

5- tens
6- ones
decimal
1- tenths
2- hundredths
3- thousandths

ANSWER:
1 has the place value of C) one-tenth

Hope this helps! :)
6 0
3 years ago
Read 2 more answers
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