How many solutions does a system of parallel lines have?
0
Solve the system of equations using substitution.
{y = -6x – 3
{y = -x + 2
(-1,3)
Solve the following system by using elimination:
{2x+3y = 20
{-2x+y = 4
(1,6)
Determine which is the easiest method to use to solve this system. Solve.
{x + y = 7
{x – y = 3
Elimination. (5,2)
Which fellow has a color in their name?
Mr. Silverman
How many solutions does this system have?
{y=3x+4
{y=3x+4
Infinitely many
Solve the system of equations using substitution.
{y= 7/4x-3
{y= 4
(4,4)
Solve the system using elimination.
{-3x + 2y = 23
{ 5x + 2y = -17
(-5,4)
Determine which is the easiest method to use to solve this system. Solve.
{3x+2y = 6
{y = 1/2x-1
Substitution. (2,0)
Which two SAGA workers went to CUNY schools?
Mr. H and Ms. Joseph
How many solutions does this system have?
{y=1/2x+3
{y=4x+3
One
Solve the system by using substitution:
{x= 5-y
{x-2y = 8
(6,-1)
Solve the system by elimination:
{-4x-2y = -12
{ 4x+8y = -24
(6,-6)
Determine which is the easiest method to use to solve this system. Solve.
{y = -x + 6
{y= 4/3x-1
Substitution. (3,3)
Which fellow's favorite saying is "Roll Tide"? And what does it mean when we say it during tutorials?
Mr. Thomas. It means either halfway point, 2-minute warning, or start of TTL
Determine the number of solutions the system has. Justify your answer.
{2y – 4x = 6
{y=2x+3
Infinitely many solutions, because the equations are equivalent.
Solve the following system by substitution:
{y= -3x+5
{5x-4y = -3
(1,2)
Solve the system using elimination:
{x+2y = -5
{-5x+2y = 13
(-3,-1)
Solve the system of equations and justify your choice of solving method.
{-3x – y = -24
{y – 3x = 30
(-1, 27)
Methods vary.
Elimination, because we can add the equations to eliminate the y terms or subtract the equations to eliminate the x terms.
OR
Substitution, because it is easy to isolate y in the second equation.
How many saga workers wear glasses/contacts?
6
Determine the number of solutions the system has. Justify your answer.
{6x-3y=3
{2x-y=4
Zero solutions. When put in slope-intercept form each equation has the same slope.
Solve using substitution.
{2x+y = 13
{4x-3y = 11
(5,3)
Solve the system of linear equations using elimination.
{7x – 5y = -24
{5y = 9x + 18
(3,9)
Solve the system of equations and justify your choice of solving method.
{x = y+3
{x = -y-2
(1/2, -5/2)
Methods vary.
Substitution, because they both have the same variable isolated so you can equal them to each other
OR
Elimination, can add the y's to eliminate them and solve for x.
Which fellow has been to Hawaii?
Mr. Zia