Q:

PLEASE HELP ME PLESEIf a system has exactly one solution it is called _______________.consistentinconsistentindependentdependentWhat is the approximate solution of the following system of equations?graph of lines y equals negative x plus 3 and y equals negative one-half x plus 1 (4, -1)(4, 1)(-1, 4)(1, -4)Solve the following system of equations by using the substitution method. 2x – 3y = -1y = x – 1(3, 4)(2, 3)(4, 3)InconsistentSolve the following system of equations by using the substitution method.3y – 2x = 11y + 2x = 9(2, 5)(-2, -5)(4, 5)InconsistentSolve the following system of equations by using the elimination method.-2x + 9y = -136x – 3y = 15(1, 3)(4, 5)(2, -1)(-2, -1)Solve the following system of equations by using the elimination method.x – y = 112x + y = 19(1, 10)(-1, -1)(12, 2)(10, -1)Solve the following system of equations using matrices.4x + 5y = -73x – 6y = 24(1, 4)(2, -3)(5, 6)(3, 4)Solve the following system of equations using matrices.x + y = 12x + 5y = 4(1/3, -2/3)(1/3, 2/3) (2, 1)(-3, 0)The sum of two numbers is 7. Four times the first number is one more than 5 times the second. Find the two numbers.2 and 14 and 35 and 72 and 3

Accepted Solution

A:
Solve the following system of equations by using the substitution method.
2x – 3y = -1
y = x – 1

(4, 3)|

Solve the following system of equations by using the substitution method.
3y – 2x = 11
y + 2x = 9

Inconsistent|

Solve the following system of equations by using the elimination method.
-2x + 9y = -13
6x – 3y = 15

(2, -1)
|
Solve the following system of equations by using the elimination method.
x – y = 11
2x + y = 19

(10, -1)
|
Solve the following system of equations using matrices.
4x + 5y = -7
3x – 6y = 24

(2, -3)
|
Solve the following system of equations using matrices.
x + y = 1
2x + 5y = 4

(1/3, 2/3) 
Here are the ones I can do.