Solve by Graphing
Solve by Substitution
Solve by Elimination
Slope
Is it a Solution?
100
What is the solution?
(-1,1)
100
Solve the systems of equations using substitution:
-3x + 4y = -2
y = -5
(-6, -5)
100
Add or subbtract, and which variable will be eliminated if no other changes are made?
14x + 2y = 26
-14x - 6y = -50
50 point bonus: y=?
add, x
y=-6
100
What is the slope of the line represented by:
y=1/2x + 2
1/2
100
Is the given point a solution to the system of equations?
Point: (2,6)
x + y = 8
3x - y = 0
Yes
200
How many solutions are there?
No Solutions
200
To solve the systems of equations using substitution, show what the first step would look like:
5x + y = 10
y = 4x +1
bonus 50 pts: solve
5x +(4x+1)=10
(1, 5)
200
Add or subtract?
Which variable will be eliminated?
x + y = 3
x - y = -3
50 point bonus - solve
Add: y
Subtract: x
(0,3)
200
What is the slope of the line represented by y= 5 ?
zero
200
Is (0,0) a solution to the system?
0.3x - 0.2y = -2.1
0.6x + 1.3y = 0.9
no
300
How many solutions are there?
Infinitely Many Solutions
300
Show the first step to solve the systems of equations using substitution:
y = 2x + 3
3x - y = 1
bonus 50 pts - solve
3x - (2x+3)=1
(4,11)
300
Solve the systems of equations using Elimination:
-6x - 10y = 4
6x + 10y = 0
No Solution
300
What is the slope of the line represented by
x=10
undefined
300
Is the given point a solution to the system of equations?
Point: (1/2, -2)
6x + 5y = -7
2x - 4y = 9
yes
400
Solve Using Graphing; what quadrant will hold the solution (I, II, III, or IV)?:
y = 5/3x + 2
y = -3
400
Show the first step to solve the systems of equations using substitution:
8x - 5y = 2
y - 2 = x
bonus 100 points: solve
8(y-2)-5y=2
(4 ,6)
400
Solve the systems of equations using Elimination:
-3x - 2y = -1
6x + 4y = 2
infinite solutions
400
What is the slope of the line represented by:
2x+y=9
-2
400
Is the given point a solution to the system of equations?
Point: (1/3, -1)
6x + 5y = -3
3x - 4y = -3
No, only works in one equation
500
Solve Using Graphing; what quadrant will hold the solution (I, II, III, or IV):
y = -2
x = 3
500
Show the equation after substituting for y, then solve the systems of equations using substitution:
-8x + y = -7
16x - 2y = 14
16x-2(8x-7)=14
Infinitely Many Solutions
500
Solve the systems of equations using Elimination:
-x + y = -4
3x - 2y = 11
(3, -1)
500
What is the slope of the line represented by:
3x-2y=4
3/2
500
Is (3, 5) a solution to the system?
y - 2 = x
-6y + 2 = -4x
No (it works in the first, but not the second)