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Vladimir [108]
3 years ago
9

What is the vertex A,B,C or D

Mathematics
1 answer:
matrenka [14]3 years ago
4 0
(C) (-2, -36) . . . . . . is the appropriate choice

_____
An easy way to tell is to let a graphing calculator show you.

Or, you can rearrange the equation to vertex form.
  f(x) = 5(x² +4x) -16
    = 5(x² +4x +4) -16 -5*4 . . . . complete the square
    = 5(x +2)² -36
So, the vertex is (-2, -36).

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5. An attacker swings a board with a mass of 2 kg toward a victim. The acceleration is 10 m/s2 when the board hits the victim. H
suter [353]

The force exerted on victim is 20 newton

<em><u>Solution:</u></em>

An attacker swings a board with a mass of 2 kg toward a victim

The acceleration is 10 m/s^2 when the board hits the victim

To find: Force exerted on victim

<em><u>The force is given by formula:</u></em>

F = mass \times acceleration

From given,

mass = 2 \text{ kg }\\\\Acceleration = 10 m/s^2

<em><u>Substituting the values in formula,</u></em>

Force = 2 \times 10 = 20

Thus force exerted on victim is 20 newton

6 0
3 years ago
Help me pls<br> click to see picture of the problem
Vikki [24]
Using the point on the graph (4, 1) solve for a

1 = a(4-3)² - 1
2 = a
4 0
3 years ago
Identify any transformations (translations, reflections, rotations) that are used in each corporate logo below. Some logos may h
bija089 [108]

I think it is just rotations. When I look at is I group the three together and those three are the ones being rotated.

Hope this helps :)))

3 0
3 years ago
20 pts and brainliest
lions [1.4K]

The two solutions to the given quadratic equation are 2i/3, -2i/3 and they are both complex solutions.

Hence, option C is the correct answer.

<h3>What are the solutions to the quadratic equation?</h3>

Given the equation; 9x² + 4 = 0

First, we subtract 4 from both sides.

9x² + 4 = 0

9x² = -4

x² = -4/9

Take the square roots of both sides

x = ±√(-4/9)

Rewrite -4/9 as (2i/3)²

x = ±√(2i/3)²

x = ±(2i/3)

Hence,

x = 2i/3, -2i/3

Therefore the two solutions to the given quadratic equation are 2i/3, -2i/3 and they are both complex solutions.

Hence, option C is the correct answer.

Learn more about quadratic equations here: brainly.com/question/1863222

#SPJ1

6 0
2 years ago
100 POINTS!!!
Brums [2.3K]

Answer: x = 4

Step-by-step explanation:

2(x+1)=10

Distributive properties

a*(b+c)=(a*b)+(a*c)

Using distributive properties

Then

2*(x+1)=(2*x)+(2*1)

2*(x+1)=2x+2

Now, commutative properties

a*b=b*a

Addition is cumulative

a+(-b)=(-b)+a

Therefore applying to 2x+2

2x+2+(-2)=2x+(-2)+2

Then, applying to the equation

2x+2+(-2)=10+(-2), +×-=-

2x+2 -2=10-2

2x=8

Using division properties

ax=b

If a is none zero

Then ax/a=b/a

Therefore x=b/a

Applying that to 2x=8

2x=8. Divide both side by 2 which is none zero

2x/2= 8/2

x=4

Option B

Subtraction Property of equality

please click thanks and mark brainliest if you like :)

7 0
3 years ago
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