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sergeinik [125]
4 years ago
6

Write a quadratic equation whose roots are -3 and 2 and the leading co-efficient is 2

Mathematics
1 answer:
Yuri [45]4 years ago
7 0
Hello
the quadratic equation whose roots are-3 and 2 and the leading co-efficient is 2
is : 2(x+3)(x-2)
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The expression x^4-9
vlada-n [284]

Answer: C

Step-by-step explanation:

By the difference of squares, x^{4}-9=(x^{2}+3)(x^{2}-3)

7 0
2 years ago
Enter an algebraic equation for the sentence. Use x as your variable.
Kitty [74]

Answer:

5x-4=11

Step-by-step explanation:

so you multiply 5 times x (a number) and subtract 4 and it equals to 11

6 0
3 years ago
Let , −5−6 be a point on the terminal side of θ . find the exact values of cosθ , cscθ , and tanθ .
gizmo_the_mogwai [7]
Given that point (-5, -6) is a point on the terminal side of <span>θ. Since both the x coordinate and the y-coordinate are negative, </span><span>θ is in the third quadrant.

The side opposite </span><span>θ is -6 and the side adjacent </span><span>θ is -5.

The hypothenus is given by \sqrt{(-6)^+(-5)^2}=\sqrt{36+25}=\sqrt{61}

The exact value of cos</span><span>θ is given by:

\cos\theta= \frac{adjacent}{hypothenuse} = \frac{-5}{\sqrt{61}}

</span>The exact value of csc<span>θ is given by:

\csc\theta= \frac{hypothenuse}{opposite} = \frac{\sqrt{61}}{-6}</span>

The exact value of tan<span>θ is given by:

\tan\theta= \frac{opposite}{adjacent} = \frac{-6}{-5} =1.2</span>
5 0
4 years ago
Which equation represents inverse variation between x and y?
postnew [5]

Inverse variation means

When the value of x increases the value of y decreases.

When the value of x decreases the value of y increases.

So for an inverse variation we have the expression

y=\frac{k}{x}

or

x=\frac{k}{y}

The expression which represents this condition is

x=-\frac{15z}{y}

Hence option b) or the second option is the right answer.

6 0
4 years ago
Rhett is solving the quadratic equation 0= x2 – 2x – 3 using the quadratic formula. Which shows the correct substitution of the
Brums [2.3K]
A = 1
b = -2
c = -3

And when you plug in and solve you'll get correct answers of x = 3 and x = -1
5 0
3 years ago
Read 2 more answers
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