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WorksheetsPAP Systems Pop Quiz
Total questions: 9
Worksheet time: 46mins
Name
Class
Date
1.
Write the inequalities represented in the picture.
a)
y ≤ 3x and y ≤ -2x + 4
b)
y > 3x and y > -2x + 4
c)
y < 3x and y > -2x + 4
d)
y > 3x and y < -2x + 4
2.
Solve the system by elimination.
−7x + 6y = 29
10x + y = 16
−7x + 6y = 29
10x + y = 16
a)
(1,6)
b)
(−1,−3)
c)
(−3, −1)
d)
(−1, 3)
3.
a)
5 -2
-3 1
-3 1
b)
-5 2
3 -1
3 -1
c)
-5 3
2 -1
2 -1
d)
1 -3
-2 5
-2 5
4.
a)
x=-1
y=2
z=-2
y=2
z=-2
b)
x=2
y=1
z=-1
y=1
z=-1
c)
x=-2
y=-1
z=-2
y=-1
z=-2
d)
x=2
y=2
z=-1
y=2
z=-1
5.
Calculate the determinant
a)
0
b)
none
c)
-32
d)
-8
6.
Caitlin won a bag full of money! She has 49 bills in all. She counts $1,430. There are $20 dollar bills and $50 dollar bills. How many of each bill does Caitlin have?
WRITE a system where T= # of $20 and F = # of $50.
WRITE a system where T= # of $20 and F = # of $50.
a)
T + F = 1430
20T + 50F = 49
20T + 50F = 49
b)
T+ F = 49
10T + 5F = 1430
10T + 5F = 1430
c)
T + F = 49
20T + 50F = 1430
20T + 50F = 1430
d)
T + F = 49
T + F = 1430
T + F = 1430
7.
Solve the system.
5x + 8y = -12
3x + 5y = -7
5x + 8y = -12
3x + 5y = -7
a)
(1, -10)
b)
No solution
c)
(-4, 1)
d)
(1, 10)
8.
a)
1 2
6 -8
6 -8
b)
-3 -5
-5 -11
-5 -11
c)
-2 8
-6 -12
-6 -12
d)
2 -3
5 -2
5 -2
9.
Calculate the determinant
a)
0
b)
-15
c)
-70
d)
10
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