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3 years ago

10

Need help ASAP thanks

1 answer:

UkoKoshka [18]3 years ago

5 0

Answer:

1=90

2=282.6

Step-by-step explanation:

CAN YOU PLEASE ARK ME BRAINLEST?!!

PLEASE!

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If you could.. please explain this to me on how to convert this equation.. I would be very thankful.

dolphi86 [110]

Y = -2(x + 3)^2 - 4

First expand the parentheses:-

y = -2(x + 3)(x + 3) - 4

y = -2 [(x(x + 3) + 3(x + 3)] - 4

y = -2 ( x^2 + 3x + 3x + 9) - 4

y = -2(x^2 + 6x + 9) - 4

Now distribute the -2 over the parentheses:-

y = -2x^2 - 12x - 18 - 4

y = -2x^2 - 12x - 22 Answer

5 0

3 years ago

Can someone please help

Harrizon [31]

Answer:

31,41,51,71

Step-by-step explanation:

8 0

2 years ago

Read 2 more answers

A line passes through the points (-4,-1) and (4,3) a second line passes through the points (-2,-2) and (2,6) at what point do th

Alexandra [31]

Answer:10

Step-by-step explanation:

6 0

3 years ago

Solve the proportional equation below.<br><br> 9/r = 3 / 10

Bond [772]

9/r= 3/10

Cross multiply:
3*r= 9*10
⇒ r= 9*10/3
⇒ r= 30

The final answer is 30~

6 0

4 years ago

WHAT IS A 2ND DEGREE POLYNOMIAL FUNCTION WHOSE GRAPH HAS ONLY POSITIVE Y-VALUES

elena55 [62]

An example of quadratic equation with this behavior is:

$y = x^2 + x + 20$

Which is sketched at the end of this answer.

A quadratic equation has the format:

$y = ax^2 + bx + c$

It's roots are given by:

$\frac{-b \pm \sqrt{\Delta}}{2}$

The number of roots depends on the discriminant $\Delta = b^2 - 4ac$ , that is:

If $\Delta > 0$ , it has two different real roots.
If $\Delta = 0$ , it has one real root.
If $\Delta < 0$ , it has no real roots.

In this problem, it will have only positive y-values if: $\Delta < 0$ and $c > 0$

Thus, an example is:

$y = x^2 + x + 20$

Which is sketched below.

A similar problem is given at brainly.com/question/19776811

6 0

3 years ago