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spin [16.1K]
3 years ago
11

F(x)=-4x^2+10x-8

Mathematics
1 answer:
vazorg [7]3 years ago
6 0

Answer:

Step-by-step explanation:

a = - 4

b = 10

c = - 8

The discriminate is

D = b^2 - 4ac

D = 10^2 - 4*(-4)(-8)

D = 100 -  128

D = - 28 which is not a nice number

Because the Discriminate has a minus result, there are no real zeros.

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Find the Area. Simplify your answer.​
Vaselesa [24]

Answer:

Area = 9x^2 square units

Step-by-step explanation:

<u>Key skills needed: Area of a parallelogram</u>

1) This shape is a parallelogram, and the way to find the area of a parallelogram is:

                                A = bh

A = area

b = base (the side at the bottom

h = the height ( the length that runs from one side to another and makes a right angle)

2) The base (b) would be 3x. The height (h) would also be 3x

3) This means A = 3x(3x)

3 times 3 is 9 --> and x times x is x^2

Therefore the area is --> 9x^2

<em>Hope you understood and have a nice day!! :D</em>

5 0
3 years ago
By what number should -4.125 be divided to get -5.5.​
kogti [31]

Answer: 0.75

Step-by-step explanation:

-4.125/-5.5 = 3/4 or 0.75

-4.125/0.75 = -5.5

6 0
3 years ago
BRAINLIEST AND MAX PTS<br><br> CONVERT y = 40x + 600 to point-slope form
IRISSAK [1]

Answer:

The answer to your question is y - 0 = 40(x - 15)

Step-by-step explanation:

                                  y = 40x + 600

Convert to                 y - y₁ = m(x - x₁)          

Process

1.- Factor 40 in the right side of the equation

                                 y = 40(x - 15)

2.- Give the form of the point slope form

                                 y - 0 = 40(x - 15)

where

y₁ = 0

m = 40

x₁ = 15

3 0
3 years ago
Read 2 more answers
Select all of the following functions that have a range of y ≥ 0.
bixtya [17]
A,B,E
C in case y=1, im not entierly sure what is implied by identity unless youre talking composition or inverses
7 0
3 years ago
Problem #15: A box contains 4 black balls, 7 red balls, and 3 green balls. Three balls are
Liula [17]

Answer:i don't know

Step-by-step explanation:

3 0
2 years ago
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