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VashaNatasha [74]
3 years ago
15

Which is the graph of a quadratic equation that has a positive discriminate?

Mathematics
2 answers:
svetlana [45]3 years ago
5 0
A graph with positive discriminant has 2 real roots, so it crosses the x axis twice

pick the graph that crosses x axis 2 times (not one that has vertex on the x axis)
Alina [70]3 years ago
5 0

Answer: graph four

Step-by-step explanation:

If your question has graphs then pick the fourth graph because it crosses the x axis twice which means it has a positive discriminant.

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ok so this is drag and drop so tell me which answer goes in each box the for the box o the left count that as the first box ty n
Ainat [17]

Answer:

\Huge\boxed{z

Step-by-step explanation:

Hello There!

Once again we need to isolate the variable using inverse operations

to get rid of the -8.2 we add 8.2 to each side

-8.2+8.2 cancels out

-9.7+8.2=-1.5

now we have

-1.2z>-1.5

now we wan to get rid of the -1.2

to do so we want to divide each side by -1.2

\frac{-1.2z}{-1.2} =z\\\\\frac{-1.5}{-1.2} =1.25

Remember we have to flip the inequality sign because we're dividing by a negative number

we're left with

z<1.25

7 0
3 years ago
Read 2 more answers
How do i find the shorted distance between the point and the line
m_a_m_a [10]

Answer:

5 units

Step-by-step explanation:

3x + 4y = 8

4y = -3x+8

y = -3/4+2

The shortest distance between a point and a line is the perpendicular line.

Slope of the perpendicular line: 4/3 and point (-3,-2)

b = -2-(4/3)(-3) = 2

Equation of the perpendicular line: y=4/3x+2

y is equal y

4/3x+2= -3/4x+2

4/3x +3/4x = 2-2

x = 0

Plug x=0 into one of the equations to find y

y = 4/3(0) + 2

y = 2

(0,2) and (-3,-2)

Distance = sqrt [(-3-0)^2 + (-2-2)^2]

Sqrt (-3)^2+ (-4)^2

Sqrt 25 = 5

3 0
3 years ago
Write the radical in simplest radical form<br><br><br><br> √5/8
tiny-mole [99]

Answer:

\dfrac{\sqrt{10}}{4}

Step-by-step explanation:

\sqrt{\dfrac{5}{8}} =

= \dfrac{\sqrt{5}}{\sqrt{8}}

= \dfrac{\sqrt{5}}{\sqrt{4 \times 2}}

= \dfrac{\sqrt{5}}{2 \sqrt{2}}

= \dfrac{\sqrt{5}\sqrt{2}}{2 \sqrt{2}\sqrt{2}}

= \dfrac{\sqrt{10}}{2 \times 2}

= \dfrac{\sqrt{10}}{4}

3 0
3 years ago
Which graph is the function. f(x)=x^3-3x^2-4x
Sedaia [141]

Answer:

See below description.

Step-by-step explanation:

The function f(x) = x^3-3x^2-4x has the following characteristics:

  • Factors: x(x+1)(x-4)
  • Zeros/roots: x=0, x=-1, amd x=4
  • Positive leading coefficient
  • Graph starts down and curves up through -1 on the x-axis and back down to cross through 0. It curves back up again through 4 and finished off heading into positive infinity.
  • Its graph is the shape of a sideways S.
  • It has a relative maximum at 1.128 and relative minimum value of -13.128

6 0
3 years ago
Read 2 more answers
Naomi asked several classmates how much cash they had in their pocket. She recorded the data below:
AfilCa [17]

Answer:

the answer is $2,883$

Step-by-step explanation:

8 0
3 years ago
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