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3 years ago

WILL MARK BRAINLIEST!

Mathematics

2 answers:

nadya68 [22]3 years ago

4 0

Answer:

Step-by-step explanation:

-5x-y=5 since its substitution, take the equation that has the variables on

x=7y-1 opposite sides(x-7y-1) and sub in whats on the opposite side of the

-5(7y -1)-y=5 equal sign (7y-1) in for the x variable in the first equation

-35y+5-y=5. then you distribute the -5 to every value in the parenthesis

-36y=0 then you isolate the remaining variable on one side

y=0 then divide until the variable has no coefficiant

-5x-0=5 then you plug that value back in to the first equation

-5x=5 isolate the variable again

x=-1 then divide again. your y value is 0 and your x value is -1

SVEN [57.7K]3 years ago

3 0

Answer: x = - 1 and y = 0

Step-by-step explanation:

I've attached the answer

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Answer:

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3 years ago

Read 2 more answers

(02.02 MC) Triangle ABC is shown. A is at negative 2, 1. B is at negative 1, 4. C is at negative 4, 5. If triangle ABC is reflec

Bezzdna [24]

Given:

The vertices of a triangle ABC are A(-2,1), B(-1,4) and C(-4,5).

Triangle ABC is reflected over the x‐axis, reflected over the y‐axis, and rotated 180 degrees.

To find:

The point B'.

Solution:

If a figure reflected over x-axis, then

$(x,y)\to (x,-y)$

$B(-1,4)\to B_1(-1,-4)$

If a figure reflected over y-axis, then

$(x,y)\to (-x,y)$

$B_1(-1,-4)\to B_2(-(-1),-4)$

$B_1(-1,-4)\to B_2(1,-4)$

If a figure rotated 180 degrees about the origin, then

$(x,y)\to (-x,-y)$

$B_2(1,-4)\to B'(-(1),-(-4))$

$B_2(1,-4)\to B'(-1,4)$

So, the coordinate of point B' are (-1,4).

Therefore, the correct option is A.

6 0

2 years ago