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zzz [600]
3 years ago
10

Consider the function f(x) = x2 + 2x – 35. If one of the zeros of the

Mathematics
1 answer:
Whitepunk [10]3 years ago
8 0

If one zeros is x= -7 then the other zero is x=5

Step-by-step explanation:

We are given the function: f(x) = x^2 + 2x-35

If one zeros of the function is x=-7 we need to find other zero of the function.

We can find zeros of the quadratic equation by factorizing the equation

f(x) = x^2 + 2x-35

Factorizing the quadratic equation:

x^2 + 2x-35=0\\x^2-5x+7x-35=0\\x(x-5)+7(x-5)=0\\(x+7)(x-5)=0\\x+7=0\,\,and\,\,x-5=0\\x=-7\,\,and\,\,x=5

So, if one zeros is x= -7 then the other zero is x=5

Keywords: Solving Quadratic Equation

Learn more about Solving Quadratic Equation at:

  • brainly.com/question/10771256
  • brainly.com/question/2568692
  • brainly.com/question/1332667

#learnwithBrainly

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X+y=5<br> 2x - y = 1<br><br> Need help
erma4kov [3.2K]

Answer:

y = 3

x = 2

Step-by-step explanation:

x+y=5  ==   -2x - 2y = -10

2x-y = 1 ==  2x - y = 1    +

                  -------------------

                  -3y = -9

                  <u>y = 3</u>

x + y = 5

x + 3 = 5

<u>x = 2</u>

8 0
4 years ago
Read 2 more answers
If the terminal side of angle θ passes through a point on the unit circle in the first quadrant where x=√2/2, what is the exact
Serhud [2]

The exact measure of the angle is 45°.

<h3>How to get the angle?</h3>

We know that the terminal side passes through a point of the form (√2/2, y).

Notice that the point is on the unit circle, so its module must be equal to 1, so we can write:

1 = \sqrt{( \frac{\sqrt{2} }{2} )^2 + y^2} \\\\1^2 = \frac{2}{4} + y^2\\1 - 1/2 = y^2\\\\1/\sqrt{2} = y

We know that y is positive because the point is on the first quadrant.

Now, we know that our point is:

(√2/2, 1/√2)

And we can rewrite:

√2/2 = 1/√2

So the point is:

( 1/√2,  1/√2)

Finally, remember that a point (x, y), the angle that represents it is given by:

θ = Atan(y/x).

Then in this case, we have:

θ = Atan(1/√2/1/√2) = Atan(1) = 45°

If you want to learn more about angles, you can read:

brainly.com/question/17972372

3 0
2 years ago
F(x) = 22c2 – 10x + 11<br><br> What is f(4)?<br><br> A) 3<br><br> B) 99<br><br> C)128<br><br> D) 52
Sidana [21]

Answer:

A

Step-by-step explanation:

B IS WRONG

C IS WRONG

7 0
3 years ago
A shirt is on sale for $30. It was originally $40 What is the percent of the decrease?​
SpyIntel [72]

Answer:

25% percent

Step-by-step explanation:

4 0
3 years ago
Each time Caroline goes shopping she decides whether or not to buy fruit.
DiKsa [7]

Let event A = Caroline buys fruit, event B = Caroline buys CD, Ac and Bc are complementary events.

Events AB, ABc, AcB and AcBc are jointly exhaustive and disjoint, hence P(AB) + P(ABc) + P(AcB) +P(AcBc) =1.

Events A and B independent, hence Ac and Bc independent too and probability P(AcBc) = P(Ac)*P(Bc) = (1 - P(A))(1-P(B)) = 0.6*0.4 = 0.24.

Required probability P(AB + ABc + AcB ) = P(AB) + P(ABc) + P(AcB) = 1- P(AcBc) = 1 - 0.24 = 0.76.

Answer: Probability that Caroline buys fruit, a CD or both is 0.76.

5 0
2 years ago
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