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IceJOKER [234]
1 year ago
9

Test the function x-y²=0 for symmetries.

Mathematics
1 answer:
mafiozo [28]1 year ago
4 0

For Symmetry About Y-Axis, let's try to replace x with −x, and check if the equations still equal:

-x - y² = 0

The equation changed, so there is no symmetry about Y-Axis.

For Symmetry About X-Axis, let's try to replace y with −y, and check if the equations still equal:

x - (-y)² = 0

x - y² = 0

The equation stayed the same, so there is a symmetry in X-Axis.

Lets try Origin Symmetry Replacing x with −x and y with −y:

-x - (-y)² = 0

-x - y² = 0

The equation changed, so there is no Origin Symmetry.

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Use a trigonometric ratio to find the value of x. Round your answer to the nearest tenth
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Answer:

B) 5.8

Step-by-step explanation:

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3 years ago
The area of triangle formed by points of intersection of parabola y=a(x−1)(x−4) with the coordinate axes is 3. Find a if it is k
n200080 [17]

Answer:

The value of a will be  a=-\frac{1}{2}

Step-by-step explanation:

Start by graphing the parabola and  the three points of the triangle. These points are at intersections of y=a(x-1)(x-4) and the axes

so the y = 0 points are (1,0) and (4,0).

The x = 0 intersection is when y=a(-1)(-4) or (0,4a)

The base and height of this triangle are

The base would be the distance between the y=0 intersections and the height would be the y value of the other vertex.

Hence, base=3 units and height = 4a units. Thus, area can be calculated as

A = \frac{1}{2}\times b\times h =\frac{1}{2}\times 3\times 4a = 3

a=\frac{1}{2}

∵ the parabola opens downward therefore a will be negative.

hence,  a=-\frac{1}{2}

3 0
3 years ago
How to simplify 1.1(x+2)
chubhunter [2.5K]

Answer:

1.1(x+2) = 1.1x + 2.2

Step-by-step explanation:

I) Distribute the terms using the Distributive Property:

1.1(x+2)

= 1.1(x) + 1.1(2)

II) Simplify:

1.1(x) + 1.1(2)

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4 0
3 years ago
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Fofino [41]

Answer:

4 ( 8 - 2 ) = (-3) + 7 -> this is a false statement

Step-by-step explanation:

4 ( 8 - 2 ) = ( -3 ) + 7

Simplify the parenthesis

4 ( 6 ) = (-3) + 7

Multiply;

24 = (-3) + 7

Add, remember, adding a negative number and a positive number is the same as subtracting the negative number from the positive number,

24 = 4

This statement is not true.

8 0
3 years ago
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The wrestling team needs to calculate the area of a round wrestling mat. Which formula should they use? A) L x W B) L x W x H C)
Likurg_2 [28]

Answer: D

Explanation: To find the area of a square you square the radius and multiply it by pi or 3.14

5 0
3 years ago
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