Please help! Systems of Equations questions! Algebra 1!

Question

anonymous · Answer

attachment

anonymous · Answer

https://www.desmos.com/calculator try this

anonymous · Answer

Okay.

anonymous · Answer

its a graphing calculator

anonymous · Answer

How do I use it to get the answer though?

anonymous · Answer

okay

anonymous · Answer

...?

anonymous · Answer

@Zale101 @GoldPhenoix @Isaiah.Feynman @april115, anybody? Please help me! D:

luigi0210 · Answer

I think @Isaiah.Feynman could help~ c:

isaiah.feynman · Answer

Why?

jdoe0001 · Answer

hmm    wel... so... what part is needed?   part A and B  seem too simple

anonymous · Answer

I'm not entirely sure jdoe. :/

jdoe0001 · Answer

well... the exercise assume  you know how  to simplify linear equations, that is, solving for a variable

agent0smith · Answer

Part A is basically telling you to draw a graph.

Part B means pick any x value you like, plug it in and find y.  Repeat three times.

Part C - make a line that has the same slope but different y intercept, ie change nothing except the number on the RIGHT side of the equals sign of 7x+y = 5

anonymous · Answer

Oh, okay. agent0smith, do you think you can walk me through those?

jdoe0001 · Answer

"solutions that will satisfy the equation"    valid "y" values  for "x" values, just plug a random "x" to get its "y"

"determine 3 different solutions"    use 3 random "x" then

jdoe0001 · Answer

"inconsistent equations"
now .... once you've solved for "y"    and you can see the equation's SLOPE
just make another one with the same SLOPE

same-slope equations, are parallel lines, parallel lines never touch each other, thus no solution thus makes an "inconsistent" system of equations

anonymous · Answer

Okay. Thank you.

jdoe0001 · Answer

yw