2017­3­6 quiz review.notebook
March 06, 2017
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2017­3­6 quiz review.notebook
March 06, 2017
2017­3­6 quiz review.notebook
Today' Objective
Systems Review!!!
March 06, 2017
2017­3­6 quiz review.notebook
March 06, 2017
Tell whether the ordered pair is a solution of the linear system.
1. (4, 1) 2. (­2, 1)
x + 2y = 6
5x ­ 2y = ­12
3x + y = 11
x + 3y = 1
Tell whether the ordered pair is a solution of the linear system.
3. (4, ­3)
4. (­4, ­6)
­3x + 2y = ­18
3x ­ y = 6
6x ­ y = 27
­x + 2y = 8
5. (­4, 3)
4x + 3y = ­12
x + 2y = ­6
2017­3­6 quiz review.notebook
Solve the Systems Graphically
y = 3x + 2
y = ­5x ­ 6
Solution:
Solve the Systems Graphically
y = ­2x + 5
1
y = x ­ 2
3
Solution________
March 06, 2017
2017­3­6 quiz review.notebook
March 06, 2017
Solve the system of equations by graphing
y = ­2x + 4
y = x + 1
Solution________
Solve the system of equations by graphing
1
y = x ­ 3
2
y = ­3x + 4
Solution________
2017­3­6 quiz review.notebook
March 06, 2017
Solve the following systems by substitution
y = x + 2
2x + 2y = ­16
Solve the following systems by substitution
x = 3y ­ 1
x ­ 2y = 2
2017­3­6 quiz review.notebook
March 06, 2017
Tell if the following systems of equations have no solution, one solution, or infinitely many solutions. Explain why. 1) y = ­3x + 2
y = ­3x ­1
2) y = 2x + 4
y = 4x ­ 6
3) y = 2x + 1
4y = 8x + 4
Solve the systems of equations by using the substitution method.
{
y + 3x = 6
y = 2x - 9
2017­3­6 quiz review.notebook
March 06, 2017
Solve the systems of equations by using the substitution method.
{
x = 4y
-2x + 6y = 22
Solve the systems of equations by using the elimination(addition)
method.
{
6x - 2y = 16
-3x + 2y = -4
2017­3­6 quiz review.notebook
March 06, 2017
Solve the systems of equations by using the elimination(addition)
method.
{
4x - 2y = 36
4x + 8y = -24
Solve the systems of equations by using the elimination(addition)
method.
{
2x + 3y = 10
x - y = -15
2017­3­6 quiz review.notebook
March 06, 2017
How many solutions does each system have?
y = 5x - 9
y = 8x -2
y = 6x + 2
{ y = 5x + 9 { y - 8x = -2 { y = 3x + 1
What is the best method to solve each of the following systems: graphing, substitution, or elimination? Explain why. 2x + 3y = 16
y= 1x+4
{ 4x - 3y = 20 { y =
2
-
1
4
x+1
x = 3y - 7
{ 2x + y = 7
2017­3­6 quiz review.notebook
March 06, 2017