Alg 2 3.1-3.4 Quiz Practice SBAC Week Name: _______________________________
kc 1
2x  3y  8
Use this system for numbers 1 - 3:
. You may do numbers 1 - 3 in any order.
y  2x  4
1. Solve by using the Substitution method. Show work. (3pts)
2. Showing all work, solve the system by Elimination aka Linear Combination method. (3pts)
3. Solve the system of equations using the graphing calculator: (4pts)
Write equations entered in calculator: __________________________ and ________________________
Write Solution: ____________________ and show graph to Mr. Crowley ______
4.
Solve the system of equations by writing and solving a matrix equation. (3pts)
y  3 x  8
.
 x  2 y  12
5. Find the maximum of the Objective Function: P = 3x + 2y given (10pts)
y  0, x  0
2 x  3 y  3
y7
x  y  11
6. Is the ordered pair (-2,4) a solution for the system of inequalities? Yes or No. Why? or Why not?
(3pts)
x y  2
2 x  3 y  14
Alg 2 3.1-3.4 Quiz Practice SBAC Week Name: _______________________________
kc 2
B
3y  2x  4
Use this system for numbers 1 - 3:
. You may do numbers 1 - 3 in any order.
y  2 x  4
1. Solve by using the Substitution method. Show work. (3pts)
2. Showing all work, solve the system by Elimination aka Linear Combination method. (3pts)
3. Solve the system of equations using the graphing calculator: (4pts)
Write equations entered in calculator: __________________________ and ________________________
Write Solution: ____________________ and show graph to Mr. Crowley ______
Alg 2 3.1-3.4 Quiz Practice SBAC Week Name: _______________________________
B
4. Solve the system of equations by writing and solving a matrix equation. (3pts)
kc 3
3x  y  8
.
2 y  x  12
5. Find the maximum of the Objective Function: K= 2x + 3y given (10pts)
y  0, x  0
2 x  3 y  3
y7
x  y  11
6. Is the ordered pair (-2,4) a solution for the system of inequalities? Yes or No. Why? or Why not?
(3pts)
x y  2
2 x  3 y  14