Mathematics High School

Find the solution(s) to the system of equations. Select all that apply.
y=x²-4
y=-x-2

Find The Solution(s) To The System Of Equations. Select All That Apply.y=x-4y=-x-2

Answers

Answer 1
A and C as they both cross over eachother which determines the answer
Answer 2

The solution will be the intersection points thus options A (1,-3) and B (-2,0) will be correct.

What is a graph?

The graph is a geometrical representation of a function and can be plotted by taking x's and y's corresponding values within the interval.

For example plot of y = x³ ,y = sinx.

The solution will be the intersection points of both functions.

At the intersection point,

x² - 4 = -x - 2

x² + x - 2 = 0

x² + 2x - x - 2 = 0

x(x + 2) - (x + 2) = 0

(x - 1)(x + 2) = 0

x = 1,-2

At x = 1

y = -1 - 2 = -3 so first intersection is (1,-3)

At x = -2

y = -(-2) - 2 = 0 so second intersection is (-2,0)

Hence "The solution of the given system of equations is (1,-3) and (-2,0)".

To learn more about graphs,

brainly.com/question/24861666

#SPJ2

Related Questions

Which of these statements are correct about two parallel lines in a coordinate plane? Select three that apply.

Answers

Answer:

I don't see any answer choices to choose from

Answer:

there is not options to answer

Step-by-step explanation:

y
45°
30°
N
17
I need help pls

Answers

Answer:

x=29.4

Step-by-step explanation:

To help find the sides of a triangle, I use SOHCAHTOA.

SOH - CAH - TOA

S=O/H ([tex]Sine=\frac{opposite}{hypotenuse}[/tex] )

C=A/H ([tex]Cosine=\frac{adjacent}{hypotenuse}[/tex] )

T=O/A ([tex]Tangent =\frac{opposite}{adjacent}[/tex] )

Let's find x first. We know 2 parts of the triangle: the adjacent leg, and the angle that is opposite of that.

So it would be tangent (tan).

opposite = 17

adjacent = 30°

Plug these numbers into the calculator and you should get your answer.

[tex]\frac{17}{tan(30)} = 29.44486372...[/tex]

x=29.4

Try to do y on your own and let me know if you have any questions!

Also correct me if I'm wrong on anything.

Hope this information helps!

please help answer number 1

Answers

Maybe it’s consistent dependent
It’s a conscientious slope

what is the greatest common factor of 120 and 72 plus explaination?

Answers

The Greatest Common Factor (GCF) for 120 and 72, notation CGF(120,72), is 24. Explanation: The factors of 120 are 1,2,3,4,5,6,8,10,12,15,20,24,30,40,60,120; The factors of 72 are 1,2,3,4,6,8,9,12,18,24,36,72.

Answer:

24

Step-by-step explanation:

24x3=72

24x5=120

what is the volume???

Answers

Answer:

80 cm^3

Step-by-step explanation:

In order to find the volume of an object, you must multiply the length x width x height of the object. In the case of this pyramid, you also must multiply by 1/3 in the end. This looks like 5x6x8x(1/3) = 80 cm^3

Answer:

I got 240 but I'm not sure if that is correct

Step-by-step explanation:

volume is the space inside and you find out with length x width x height and that's what I did. I guess the number just seems high

Simplify, Show work
1: 2i^20 + i^42
2: i^101 - i^2

Answers

Answer:

1. i^20 X (2+i^22)

2. i² X (i¹¹-1) X (i²² + i¹¹ + 1) X (i^66 + i³³ + 1)

Step-by-step explanation:

1) 2i^20 + i^42

factor out i^20

i^20 X (2 + i^22)

2) i^101 - i²

i²X(i^99-1)

i²X(i³³-1)X(i^66+i³³+1)

Using a³-b³=(a-b)(a²+ab+b²)

i²X(i¹¹-1)X(i²²+i¹¹+1)X(i^66+i³³+1)

i²X(i¹¹-1)X(i²²+i¹¹+1)X(i^66+i³³+1)

I almost gave up typing. Quite stressful, but its fine

A student carries out a survey of favourite colours. Can she find the average colour? Give a reason for your answer.

Answers

Answer:

Yes

Step-by-step explanation:

She can because you can find the average of something by at least having 2 numbers and since its a survey there's more then 2 people so yes is the right answer.


Which of the following isolates r correctly?
4r - 6 = 2(n + 3)

Answers

Answer:

r = 1/2n + 3

Step-by-step explanation:

Are there answer choices to choose from?  

This is how you would isolate the r:

4r = 2n + 6 + 6 so 4r = 2n + 12

Solve for r by dividing both sides by 4  so r = 1/2n + 3

Answer:

-2=2n+6

2n=2-6

2n=-4

n=-2

DUE in a couple of minutes!!help me out with this question (geometry)

Answers

Angle 1 for the measurement it is going to be 58 degrees if that’s what you are looking for and if you are the equation is going to be 6(8)+10 and that will give you 58

Angela spent $48.00 on a sweatshirt, a hoagie, and 2 books. The sweatshirt cost $18.95, and the hoagie cost $7.25. The books cost the same amount. How much did each book cost? not addition

Answers

$90 because u have to multiply

pls help need it ASAP
will give brainlist
:)

Answers

Step-by-step explanation:

Given

5x + 2y = 16 .....i)

x + 2y = 4 .....ii)

Subtracting equation I) and ii) we get

5x + 2y = 16

x + 2y = 4

- - -

4x = 12

x = 3

Putting x = 3 in equation ii)

3 + 2y = 4

2y = 4 - 3

y = 1/2

x =3 and y = 1/2

Hope it helps :)

Answer:

1) x=2 y=3 2) x=2 y=1

Step-by-step explanation:

Graph the equation y = -7/2x+2 on the coordinate plane.

Answers

Answer:

2y ( -5,2)

Step-by-step explanation:

you start at 2y and go down 7 times and move 2 times left

p equals to 2x + 3 all over 3x - 2 Express the following equation​

Answers

Answer:

The equation is;

p = (2x + 3)/(3x-2)

Step-by-step explanation:

Here, we want to express the given equation written in words

We have this as;

p = (2x + 3)/(3x-2)

A recipe for cookies requires 1 ⅔ cup of milk. How many cups of milk are needed for 4 batches of the recipe?

Answers

Answer:

6 2/3

Step-by-step explanation:

1 2/3 *4= 4 8/3 ---->6 2/3

What is 792 divided by 44

Answers

The answer is 18

792/44 = 18

Need help! Pls help meee

Answers

Answer:

3min

Step-by-step explanation:

it is

20 POINTS

On the news yesterday, the weather forecaster’s rainfall prediction was 20% off. If 2.5 inches of rain actually fell today, what are the two rainfall predictions that could have been made during the weather forecast?

Giving brainliest to the BEST EXPLAINED answer. All answers that are irrelevant to the question will be reported and removed.

Middle School Math
REPOST AS THE OTHER ONE GOT SNIPED

Answers

Answer: 2 inches, 3 inches, or 3.125 and 2.083


Explanations:
The simplest way is to take 20% of the 2.5 inches and go that much above & below 2.5 inches.

2.5 x 20% = 2.5 x 0.20 = 0.5

So 2.5 - 0.5 = 2 inches was predicted
And 2.5 + 0.5 = 3 inches was predicted.

The more complicated way is to see number + 20% of that number = 2.5, and what number - 20% = 2.5.

Which solution sounds more like what you’re doing in class right now?

If it’s the more complicated way:

0.8x = 2.5 (80% of the predicted rain value equals 2.5)
x = 3.125 inches was predicted

1.2x = 2.5 (120% of the predicted rain value equals 2.5)
x = 2.083 inches was predicted

Sorry, this is probably confusing. Let me know what questions you have.

A recipe calls for 10 cups of flour to make 50 pancakes. How many pancakes can be made with a single cup of flour?

Answers

Answer:

5

Step-by-step explanation:

Answer:

5

Step-by-step explanation:

With a 1:5 ratio of flour to pancakes, 5 would be the correct answer

A coat that was $125 but it marked down 30%

Answers

Answer: $87.50

Step-by-step explanation:

Did a short way I learned.

Since we are marking down did

100%-30% = 70%

Convert it into a decimal:0.7

Did 125(0.7) and got 87.50.

I am 100% sure this is right.

Choose values for horizontal and vertical translation to move triangle ABC. Use the tool to translate the figure in both the x and y directions. y Horizontal Translation 4 C 2 Vertical Translation Which statements are true about the image? The triangle flipped upside down. The sides stayed the same length. The angles stayed the same size. The triangle completed a quarter turn. -2. Reset -2 A B -48.​

Answers

Answer:The sides stayed the same length

The angles stayed the same size

Step-by-step explanation:

Identify the translations.

The orange triangle, A, is the pre-image.

The pre-image moved

✔ 5

units horizontally to form the purple triangle, B.

The pre-image moved

✔ 4

units vertically to form the green triangle, C.

HERE IS THE FULL QUESTION LOL GET IT RIGHTT PLZZ

Answers

9514 1404 393

Answer:

  14,060 ft

Step-by-step explanation:

On day 2, the group climbed ...

  19660 -16860 = 2800 . . . . feet

The problem statement tells us they climbed that same amount on day 1, so they must have started at ...

  16860 -2800 = 14,060 . . . . feet

The group began their climb at 14,060 feet.

A triangle has angle measures of 95° and 65° What is the measure of the third angle
​

Answers

The third angle is 20°. This is because you add the two angles you have already (95+65) and then you subtract that from 180. In simplier words: If you know 2 angles then you can subtract their sum from 180° to find the measure of the 3rd angle.

need HELP!
........m​

Answers

Answer:

7/8

Step-by-step explanation:

turn 1/4 denominator into 8 and by doing that, u multiply by 2.

whatever you do to the bottom, u do to the top. so 1/4= 2/8

5/8+2/8= 7/8

5/8  +  1/4 = 37/20

37/20=1 y 17/20

Can someone help with this?

Answers

Answer:

I think the answer of X is 2

Step-by-step explanation:

i said think ok

have a nice week

[o]-[o]

\___/

Answer:

x=2

Step-by-step explanation:

Going from 6 to 4 means you have to dilate by 2/3.

(2/3)*6=4

(2/3)*3 is 2

Which of the following is equal to 10.6 ÷ 2?
A.
(10 ÷ 2) + (0.6 ÷ 2)
B.
(10 ÷ 2) + (2 ÷ 0.6)
C.
(10 ÷ 2) - (6 ÷ 2)
D.
(10 ÷ 2) - (0.6 ÷ 2)

Answers

Answer:

[tex]\huge\boxed{\sf Option\ A }[/tex]

Step-by-step explanation:

10.6 ÷ 2 = 5.3

Now,

Part A)

(10 ÷ 2) + (0.6 ÷ 2)

= 5 + 0.3

= 5.3

No need to solve other parts. The correct option is A.

[tex]\rule[225]{225}{2}[/tex]

Hope this helped!

~AH1807
A. (10÷2) + (0.6 ÷2)

An amusement park reduced its admission price to $15.50 per day, but now charges $1.50 per ride. Mark has $26 to spend on admission and rides. Write and solve an equation to find how many rides Mark can ride in one day.

Answers

Equation (26.00-15.50) ÷1.50

Answer 7 rides

Solve $26 minus $15.50 equal $10.50 then divide 10.50 by 1.50 and you’ll get 7

What is the measure of DC??

Answers

Answer:

113 - L O L Z - but its a obtuse angle

Step-by-step explanation:

A pancake recipe calls for 7 eggs and 35 cups of flour. How many cups of flour would you need for a single egg?

Answers

Answer:

Imao 5

Step-by-step explanation:

just divide

Answer:

5 cups.

Step-by-step explanation:

The egg to flour ratio is 7:35

If you narrow it down, it is 1:5

You have to divide it.

If x+3/3 = y+2/2, then x/3 = ______

Answers

X+1=y+1

X-Y= 0

Hope this helped you

what is (2m+8y)+(4+9m)+(-2 -3

Answers

11m+8y-1 hope this helps!
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