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KiRa [710]
3 years ago
7

Triangle ABC is reflected over the x-axis. What are the coordinates of the image of the vertex A?

Mathematics
2 answers:
MAXImum [283]3 years ago
8 0

Answer:

A. A' (2, -5)

Step-by-step explanation:

A is the right answer because the coordinates of vertex A are (2, 5)

<em>PLEASE</em><em> </em><em>DO MARK</em><em> </em><em>ME AS</em><em> </em><em>BRAINLIEST</em><em> IF</em><em> </em><em>MY ANSWER</em><em> </em><em>IS HELPFUL</em><em> </em><em>:</em><em>)</em>

vovangra [49]3 years ago
6 0

Answer:

D. A'(2, -5)

Step-by-step explanation:

Since point A is at (2, 5), and you are reflecting it across the x-axis, you take a look at the y-coordinate. Since it is <em>five</em> above the x-axis, you go <em>five</em> below the x-axis, or just give the OPPOSITE of 5, which is -5.

So, A' is at (2, -5).

I am delighted to assist you anytime.

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Determine the number of solutions to the following system of equations. y=-3x^2-4x+7 and 3x+2y=18
siniylev [52]

Answer:

Step-by-step explanation:

y=-3x²-4x+7...(*)

3x+2y=18...(**)

use (*) put the value of y in (**) :

3x +2(-3x²-4x+7)=18

3x-6x²-8x +14 -18 = 0

-6x²-5x- 4 = 0

6x²+5x+4 = 0

delta = b² - 4ac     a = 6   b=5    c =4

delta = 5² - 4(6)(4)= 25 -96= -71 negatif

so no reals solution

5 0
3 years ago
What is the approximate side length of a square game board with and area of 188 in. squared.
anastassius [24]

Answer:

Side length of a square game board is  

11.916

inches.

Explanation:

If the area is  

142

 

∈

2

, as area is square of side length of a square,

Side length is  

√

142

=

11.916

inches.

Step-by-step explanation:

6 0
3 years ago
Read 2 more answers
In a University of Wisconsin (UW) study about alcohol abuse among students, 100 of the 40,858 members of the student body in Mad
dimaraw [331]

Answer:

a) The population is 40,858 students and the sample is 100.

b) No

Step-by-step explanation:

a) The population would be the 40,858 members of the student body. Since we are only applying the questionnaire to 100 students, the sample would be 100.

b) 29% of the students answered "zero" to the question on how many days in the past week they consumed at least one alcoholic drink. This means that 29 out of 100 students gave this answer. However, this doesn't mean that 29% of the entire population of UW would give this response. Why is that? Because our sample is very small so it might not be representative of the whole population. Equally, the results from such a sample cannot be exactly the same results we would get from an entire population.

7 0
3 years ago
The parent function is the simplest form but doesnt contain
In-s [12.5K]
The answer you are looking for is "A Constant Slope",.

-I hope this is the answer  you are looking for please feel free to post your questions here on brainly at any time.
3 0
3 years ago
Write an equation of the line that passes through (2,-4) and (0,4)
LenKa [72]

Answer:

step 1. y - y1 = m(x - x1). this is the equation given a point and a slope.

step 2. find the slope m. m = (y2 - y1)/(x2 - x1) = (4 - (-4))/(0 - 2) = 8/-2 = -4.

step 3. y - (-4) = -4(x - 2) ; y + 4 = -4x + 8.

step 4. y = -4x + 4.

7 0
3 years ago
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