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guapka [62]
3 years ago
14

Determine the zeros of the function f(x)= 3x^2-7x 1

Mathematics
1 answer:
OLga [1]3 years ago
4 0
There zeros of a function mean the x-intercepts. simpler way: At what x-values does the graph of the equation intersect the x-axis.

I don't know the if the last term of your function is +1 or -1 , so I did both for you using desmos graphing calculator. 

You can also use quadratic formula, and do the algebra, and see if you get the same answer.


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A swimming pool is 20 feet wide and 40 feet long. If it is surrounded by a walkway of square tiles, each is 1 foot by 1 foot, ho
Lena [83]

Answer:

124 tiles

Step-by-step explanation:

2(20+40)

2(60)

120+4=124

5 0
2 years ago
A particle moves along the curve y = 5x^2 – 1 in such a way that the y value is decreasing at the rate of 2 units per second. At
Shtirlitz [24]

Answer:

The correct option is;

Increasing one fifth unit/sec

Step-by-step explanation:

The equation that gives the curve of the particle of the particle is y = 5·x² - 1

The rate of decrease of the y value dy/dt = 2 units per second

We have;

dy/dx = dy/dt × dt/dx

dy/dx = 10·x

dy/dt = 2 units/sec

dt/dx = (dy/dx)/(dy/dt)

dx/dt = dy/dt/(dy/dx) = 2 unit/sec/(10·x)

When x = 1

dx/dt = 2/(10·x) = 2 unit/sec/(10 × 1) = 1/5 unit/sec

dx/dt = 1/5 unit/sec

Therefore, x is increasing one fifth unit/sec.

8 0
3 years ago
3456
Bumek [7]

idkStep-by-step explanation:

7 0
3 years ago
1 plus 1<br> Plus 4 plus 4444 plus 1928 plus 63626
fenix001 [56]

Answer:

70004

Step-by-step explanation:

1+1+4+4444+1928+63626 = 70004

6 0
3 years ago
Read 2 more answers
Verify whether the indicated numbers are zeroes of their corresponding polynomials.
aleksley [76]

Answer:

  • No, incorrect

Step-by-step explanation:

<u>Given</u>

  • Q(s) = -4s^3 + 7s^2 - 24;
  • s = -4 and 1

<u>Verifying zeroes</u>

Q(-4) =

  • -4(-4)^3 + 7(-4)^2 - 24 =
  • 256 + 112 - 24 =
  • 344
  • Incorrect as 344 ≠ 0

Q(1) =

  • -4(1)^3 + 7(1)^2 - 24 =
  • -12 + 7 - 24 =
  • -29
  • Incorrect as -29 ≠ 0

3 0
3 years ago
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