1.Which two linear equations represent perpendicular lines?
y = ½x 4
x - 3y = -8
y = -2x - 3
y = 2x - 4
2.Solve this system of equations using the multiplication method. Please show all work
5x - 2y = 11
2x 3y = 12
3.Solve the following system of equations using any method:
y = -3x 4
x 3y = 12
(-2,10)
(-4,0)
(0,4)
(-6,6)
4.Solve the following system of equations using either the substitution method or the addition method:
x = 2y 8
4y - x = 20
(20,6)
(36,14)
(9,1)
(11,2)
5.Solve the following system of equations using the substitution method:
2x - y = 8
x - y = -4
(4,0)
(12,16)
(4,8)
(5,2)
6.The key to determining if a set of lines are parallel or perpendicular is to compare their _______ to each other
7.Matt has 30 coins in his piggy bank. He only has quarters and nickles and the total amount of money he has saved thus far is $4.50 How many quarters does he have in his bank?
8.(8,12) is a solution to the equation y = ¾x 6
True
False
9.What type of lines have the same slope?
Intersecting lines
Perpendicular lines
Parallel lines
None of the above
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