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Marina86 [1]
3 years ago
14

0. What is the result of the transformation below? (x, y)=(-x,y)

Mathematics
2 answers:
forsale [732]3 years ago
4 0

Answer:

a reflection over the x-axis

Step-by-step explanation:

say you plotted (1,1) and the plotted (-1,1). The result would be a reflection over the x-axis.

Mrac [35]3 years ago
4 0

Answer:

reflection across the y-axis

Step-by-step explanation:

image linked below

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If xy + y² = 6, then the value of dy/dx at x= -1 is<br>​
mylen [45]

Hi there!

\large\boxed{\text{At (-1, -2), }\frac{dy}{dx} = -\frac{2}{5}}}

\large\boxed{\text{At (-1, 3), }\frac{dy}{dx} = -\frac{3}{5}}}

We can calculate dy/dx using implicit differentiation:

xy + y² = 6

Differentiate both sides. Remember to use the Product Rule for the "xy" term:

(1)y + x(dy/dx)  + 2y(dy/dx) = 0

Move y to the opposite side:

x(dy/dx) + 2y(dy/dx) = -y

Factor out dy/dx:

dy/dx(x + 2y) = -y

Divide both sides by x + 2y:

dy/dx = -y/x + 2y

We need both x and y to find dy/dx, so plug in the given value of x into the original equation:

-1(y) + y² = 6

-y + y² = 6

y² - y - 6 = 0

(y - 3)(y + 2) = 0

Thus, y = -2 and 3.

We can calculate dy/dx at each point:

At y = -2: dy/dx = -(-2) / -1+ 2(-2) = -2/5.

At y = 3: dy/dx = -(3) / -1 + 2(3) = -3/5.

5 0
3 years ago
If you know the answer for this please help me I would really appreciate it thank you!
STALIN [3.7K]

Answer:

  line QR

Step-by-step explanation:

Plane QRB is the front face. Plane TSR is the top face. The planes intersect at the top front edge, line QR.

3 0
3 years ago
Which of these pairs of events are dependent?
tangare [24]

Answer:

d

Step-by-step explanation:

a, b, and c are independent, because they don't necessarily affect the probability of each other.

8 0
3 years ago
A stereo priced at $769 is on sale for 35 % off find the discount and the sale price
frozen [14]

$269.15 discount 499.85 sales price

Step-by-step explanation:

If the price is $769 it's off 35% you turn the percent into a decimal which is .35 then you multiply it by the price of $769. You then get $269.15 for the discount price and then you subtract the regular price $769 from the discount price which is $269.15. So you get $499.85 as your answer

7 0
3 years ago
Suzanne deposited x dollars to her savings account. Her old balance was $348.50, and her new balance is $532.20. Find the deposi
IgorLugansk [536]

Answer:

$183.7

Step-by-step explanation:

To find the deposited amount you need to....

$532.20-$348.50=$183.70

4 0
2 years ago
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