1answer.
Ask question
Login Signup
Ask question
All categories
  • English
  • Mathematics
  • Social Studies
  • Business
  • History
  • Health
  • Geography
  • Biology
  • Physics
  • Chemistry
  • Computers and Technology
  • Arts
  • World Languages
  • Spanish
  • French
  • German
  • Advanced Placement (AP)
  • SAT
  • Medicine
  • Law
  • Engineering
aleksandr82 [10.1K]
1 year ago
6

If y = x 2 - 4 is being graphed using the table method, what is the y-value generated when x = - 2 ?

Mathematics
1 answer:
Arada [10]1 year ago
3 0

Answer:

(There's a confusion here, is x 2 x times 2? The answer and explanation are based on x multiply by 2)

y = -8

Step-by-step explanation:

Substitution Method-

y = x 2 - 4

x = -2

y = (-2) 2 - 4

PEMDAS - parentheses; exponents; Multiplication & Division; Addition & Subtraction

we are going to multipl -2 and 2 together ---> -4

y = -4 - 4

Same sign add, different sign subtract.

Same sign keep the sign, different sign keep the larger.

y = -8

Please mark brainliest!

Hope this helps!

Thank you,

Have a great day!

You might be interested in
Can someone help please?
Katyanochek1 [597]

Answer:

(6,9)

Step-by-step explanation:

the x place is counting by 2 and the y place is going up by 3

7 0
2 years ago
Read 2 more answers
In a random sample of 16 residents of the state of Washington, the mean waste recycled per person per day was 2.8 pounds with a
kakasveta [241]

Answer: The required confidence interval would be (2.72,2.89)

Step-by-step explanation:

Since we have given that

Mean = 2.8 pounds

Standard deviation = 0.24 pounds

n = sample size = 16

We need to find the 80% confidence interval for the mean waste.

z=1.341

So, the confidence interval will be

\bar{x}\pm z\dfrac{\sigma}{\sqrt{n}}\\\\=(2.8\pm 1.341\times \dfrac{0.24}{\sqrt{16}})\\\\=(2.8\pm 1.314\times 0.06)\\\\=(2.8-0.07884,2.8+0.07884)\\\\=(2.72116,2.87884)

Hence, the required confidence interval would be (2.72,2.89)

4 0
3 years ago
A pizza has a circumference of 47.1 in. What is the radius?
Pepsi [2]
2 \pi r is the formula you need do you divide 47.1 by 2 and \pi so its aproximatly 7.5 or 7.496
3 0
3 years ago
Read 2 more answers
Scott bought 8 packs of pencils for y dollars per pack. Which expression shows how much Scott pays for the pencils?
allsm [11]

Answer:

your answer would be b

Step-by-step explanation:

got it right

5 0
2 years ago
5x - 7(2- 4x) = <br> 8 - 3(6 - 6x) =<br> 9a - 4(2a + 5) =
kati45 [8]

Answer:

the answer to 5x-7(2-4x)= =33x−14

the answer to 8 - 3(6 - 6x) ==18x−10

the answer to 9a - 4(2a + 5) ==a−20

Step-by-step explanation:


8 0
3 years ago
Other questions:
  • What is the length of BE?
    8·2 answers
  • If DH= 9.5 find FH and DF
    15·1 answer
  • Emilio used addition of two rational numbers to solve a problem. Jim use subtraction to solve the problem. Is it possible that t
    13·1 answer
  • 10. A local aquarium has 6 turtles, 12 penguins, and 8 sharks. You randomly select
    9·2 answers
  • Andy got a 32%discound on all his purchases at his favorite shop. If he saved 64$ on the total bill, the bill amount with out th
    15·1 answer
  • "Modeling Compound Interest In Exercise, complete the table for an account in which interest is compounded continuously.
    12·1 answer
  • Two hikers are walking along the Appalachian Trail. The first hiker is 2 miles ahead of the second hiker. Both hikers are travel
    10·2 answers
  • What two numbers give you the difference of 4 and the sum of 58?​
    15·1 answer
  • Which of the following ordered pairs is a solution of x + 1/2y = 1?
    5·1 answer
  • How long does it take a penguin to walk 40 feet
    15·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!