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navik [9.2K]
3 years ago
8

What is the midpoint of the x-intercepts of f(x) = (x – 4)(x + 4)? (0,0) (0,4) (–4,0) (2,0)

Mathematics
1 answer:
forsale [732]3 years ago
6 0

Answer:

The midpoint of the x-intercepts of the function is (0, 0)

Step-by-step explanation:

Notice that since the function comes in factor form, we know that its roots (which are actually the intercepts the function has with the x-axis) are: x = 4 and x = -4 (the x-values for which the function renders zero).

These two points are equidistant from the origin of coordinates (0, 0), and therefore the midpoint of these x-intercepts is (0, 0).

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I have no clue how to do this n it’s in f tmrw pls help lol
Fofino [41]

Area = w × h

w = width

h = height

6 0
2 years ago
Find the average rate of change.<br><br> p(x) = 6x + 7 on [2, 2 + h] , h ≠ 0
siniylev [52]

Answer:

6.

Step-by-step explanation:

This is [p(2+h))  - p(2) ] /  ((2 + h - 2)

= [ 6(2) + h) + 7 - (6(2) + 7)] / h

=  (  12 + 6h + 7 - 12 - 7) / h

=  6h / h

= 6.

4 0
3 years ago
Jessica wrote the numbers 4 1/5,3 1/3, 5 1/2 in the form of a fraction.Whats the greatest numerator that Jessica wrote?
marysya [2.9K]
The correct answer is 5 1/2 because if it weren’t simplified it would be 6/2 which makes the numerator the greatest.
6 0
3 years ago
A sum of money was divided between Riaz ad Ali in the ratio of 3:2. Riaz received the larger share. Write the amount each receiv
sasho [114]
Riaz : Ali
3 : 2

Add the two values; so 3 + 2 is 5

Then 100/5 = 20

So: 20 x 3 = 60
and 20 x 2 = 40

Riaz = 60%
Ali = 40%

Then write 60% and 40% as a fraction:
60% = 3/5 (3 over 5)
40% = 2/5 (2 over 5)

The answers are in bold :)
(btw sorry in advance if you spot a mistake in my answer)
6 0
3 years ago
IQ scores are normally distributed with a mean of 100 and a
Alekssandra [29.7K]

Answer:

33.2%

Step-by-step explanation:

Calculate the z-scores.

z = (x − μ) / σ

z₁ = (82 − 100) / 15

z₁ = -1.2

z₂ = (98 − 100) / 15

z₂ = -0.133

Use a chart or calculate to find the probability.

P(-1.2 < Z < -0.133) = P(Z < -0.133) − P(Z < -1.2)

P(-1.2 < Z < -0.133) = 0.4470 − 0.1151

P(-1.2 < Z < -0.133) = 0.3319

Rounded to the nearest tenth, the percentage is 33.2%.

7 0
2 years ago
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