Question

Can you please help me!!!
Consider the following system of equations:

y = −x + 2
y = 3x + 1

Which description best describes the solution to the system of equations?
Line y = −x + 2 intersects line y = 3x + 1.
Lines y = −x + 2 and y = 3x + 1 intersect the x-axis.
Lines y = −x + 2 and y = 3x + 1 intersect the y-axis.
Line y = −x + 2 intersects the origin.

Answer 1

@sammixboo @SkyVoltage @Yuii @drawwithapurpose @Anna1448

Answer 2

I have no idea about this and i need help

Answer 3

hmmmm give me a minute ok

Answer 4

Okay i have 2 more after

Answer 5

i believe it's a

Answer 6

ok so its not b or d

Answer 7

and it wont cross on y axis so yes A is correct

Answer 8

Okay 2 more

Answer 9

ok

Answer 10

Equation R: −3y = −3x – 9
Equation S: y = x + 3

Which of the following best describes the solution to the given set of equations?
No solution
One solution
Infinite solutions
Two solutions

Answer 11

and this one Consider the following pair of equations:

y = x + 4
y = −2x − 2

Explain how you will solve the pair of equations by substitution. Show all the steps and write the solution in (x, y) form.

Answer 12

D

Answer 13

what about the last one and thank you. You know that first one for sure right?

Answer 14

yea

Answer 15

okay what about the last one

Answer 16

@drawwithapurpose hey can you help me out

Answer 17

im not good at explaining

Answer 18

yeah sure just a sec

Answer 19

y = x; 4y=−2x−2
Solve y = x for y:
Substitute x for y in 4y=−2x−2:
4y=−2x−2
4x=−2x−2
4x+2x=−2x−2+2x(Add 2x to both sides)
6x=−2
6x/6= −2/6 (Divide both sides by 6)
x=−1/3
Substitute for x in y = x:

y = −1/3

there ya go x3

Answer 20

Okay thanks and your sure?

Answer 21

positive :3

Answer 22

Thank you to the both of you so much

Answer 23

no problem

Answer 24

welcome

Answer 25

Couuld this be right?
1.)Replace for y --->>> (y=x+4) --->>> x+4=-2x-2
2.) x + 2x + 4 = -2x + 2x - 2
3.) 3x + 4 = -2
4.) 3x + 4 -4 = -2 - 4
5.) 3x = -6
6.) 3x/3 = -6/3
7.) x = 2
Solving for y
1.) y = x + 4
2.) y = 2 + 4
3.) 4 + 2 = 6
4.) y = 6
Solution would be (-2,6)

Answer 26

@drawwithapurpose

Answer 27

mhm that would be another way to do it but you would need to make -6/3 -2 instead of 2 because when you multiply a positive and negative its always negative

Answer 28

Okay thanks again