WorksheetsSubstitution Day 1
Total questions: 10
Worksheet time: 25mins
Name
Class
Date
1.
What is the first step in solving a system by Substitution?
a)
Make sure both equations are in standard form.
b)
Make sure at least one equation is solved for one variable.
c)
Make sure both equations are in slope-intercept form.
d)
Make sure both equations can be solved.
2.
Solve this system of equations.
y = 2x + 1
y = 4x - 1
y = 2x + 1
y = 4x - 1
a)
(1,3)
b)
(-1,-3)
c)
(-1,3)
d)
(3,1)
3.
3x + 2y = 8
y = x-11
a)
(-5,6)
b)
(6,-11)
c)
(-6,-5)
d)
(6,-5)
4.
What is the solution to the following system?
y = 5
-3x + 4y = 8
a)
(5, 7)
b)
(4, 5)
c)
(-3, 5)
d)
(-4, -20)
5.
Solve the system by substitution.
5x + 4y= −14
y = −7x − 15
5x + 4y= −14
y = −7x − 15
a)
(-2, -1)
b)
(1, -2)
c)
(-2, 1)
d)
(-1, -2)
6.
y = -6x + 5
-2x + y = 5
-2x + y = 5
a)
(-3, -6)
b)
(-6, 3)
c)
(0, 5)
d)
(-3, 5)
7.
Solve the system of equations:
y=6x+4
y=−3x−5
a)
(-1, -2)
b)
(-2, -1)
c)
(1, -2)
d)
(1, 2)
8.
Solve the system of equations:
y −3x=2
y=−3x+8
a)
(5,1)
b)
(-1, 5)
c)
(1, 5)
d)
(-5, -1)
9.
Solve for x and y
3x + 2y = 16
7x + y = 19
3x + 2y = 16
7x + y = 19
a)
(-2,5)
b)
(-2,-5)
c)
(2,-5)
d)
(2,5)
10.
x - 3y = -13
4x + 2y = 4
4x + 2y = 4
a)
(1, 4)
b)
(-1, -4)
c)
(-1, 4)
d)
(1, -4)
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