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MahiraBashir
16.07.2019 •
Mathematics
Me 60 ! match each system of linear equations with the correct number of solutions. a. no solution b. infinitely many solutions c. one solution 1. y = -4x-5 > y = -4x+1 2. -3x+y = 7 > 2x-4y = -8 3. 3x-y = 4 > 6x-2y = 8
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Ответ:
1. No Solution
2. One solution
3. Infinitely many solutions
Step-by-step explanation:
Let us try to solve each of the system of equations one by one.
1.![y =-4x - 5](/tpl/images/0096/1564/0e501.png)
This gives
which has no solutions.
2.![-3x+y=7](/tpl/images/0096/1564/a5e49.png)
let us write them in y-intercept form
and equate them
this gives
and
This equation has solutions.
3.![3x-y=4](/tpl/images/0096/1564/71a04.png)
Notice that the second equation is just the first equation multiplied by 2, or
so these are identical equations and therefore this system has infinitely many solutions.
Thus we have
1. No Solution
2. One solution
3. Infinitely many solutions
Ответ:
hmm how do i know ur not like 50 (lol jk im just bored)
Step-by-step explanation: