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Oduvanchick [21]
3 years ago
7

Which of the following describes the translation of the graph of y = x2 to obtain the graph of y = -x2 - 3?

Mathematics
1 answer:
Ray Of Light [21]3 years ago
5 0

Answer:

reflections across the x axis and a shift down 3 units

Step-by-step explanation:

y = x^2

The negative sign means  it is a reflection across the x axis y = −f(x)

y = -x^2

The subtraction of 3 means we are shifting down 3 units

y = -x^2 -3

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Y=1(x-8)² +3 or f(x)=1(x-8)² +3
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Please help asap
KengaRu [80]

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one

Step-by-step explanation:

they meet at only one point, thus their system of equations has as solution only those coordinates.

8 0
3 years ago
A Speedboat increases in speed uniformly from 20m/s to 30m/s for 12.2 s. What is the acceleration of the speedboat?
Aloiza [94]

Answer:

0.82 m/s^2

Step-by-step explanation:

Given data

initial velocity=20m/s

Final velocity= 30m/s

Time = 12.2s

Applying the formula

a= v-u/t

a= 30-20/12.2

a= 10/12.2

a= 0.819

a=0.82 m/s^2

6 0
2 years ago
-7h+3(4-6h)=127 is h= 25?
GREYUIT [131]

Answer:

No, h = (-23)/5

Step-by-step explanation:

Solve for h:

3 (4 - 6 h) - 7 h = 127

3 (4 - 6 h) = 12 - 18 h:

12 - 18 h - 7 h = 127

-18 h - 7 h = -25 h:

-25 h + 12 = 127

Subtract 12 from both sides:

(12 - 12) - 25 h = 127 - 12

12 - 12 = 0:

-25 h = 127 - 12

127 - 12 = 115:

-25 h = 115

Divide both sides of -25 h = 115 by -25:

(-25 h)/(-25) = 115/(-25)

(-25)/(-25) = 1:

h = 115/(-25)

The gcd of 115 and -25 is 5, so 115/(-25) = (5×23)/(5 (-5)) = 5/5×23/(-5) = 23/(-5):

h = 23/(-5)

Multiply numerator and denominator of 23/(-5) by -1:

Answer:  h = (-23)/5

4 0
3 years ago
1. The zoo fed the large 680 pounds of food last week. Seven large animals each ate the same amount while the elephant ate 183 p
postnew [5]

Answer:

1: 71 pounds

2: 14 jellybeans

Step-by-step explanation:

1:

680 - 183 = 497

497 / 7 = 71

2:

Esther had (6 times)-7

77 + 7 = 84

84 / 6 = 14

8 0
2 years ago
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