Algebra 2 Chapter 3 Review

How many solutions does this system of equations have?

• One Solution
• No solution
• Infinitely Many Solutions
• Two Solutions

Solve by elimination

4x-6y= -6

-2x-12y= -12

• (0,1)

• (1,0)

• (1,1)

• (0, 2)

• Infinitely many solutions

Dimensions?

• a
• b
• c
• d

Solve the system by substitution.
 
5x + 4y= −14
y =  −7x  −  15 

• (-2, -1)
• (1, -2)
• (-2, 1)
• (-1, -2)

What is the solution?

• (1, -1)
• (-1, 1)
• Infinitely many solutions

• No solution

• 2

• 7

• 4

• -3

Solve the system by elimination.

−4x − 4y = -10

4x + 4y = 10

• (−6, −4)

• Infinite number of solutions

• No Solution

• (6, 4)

• (0,0)

Which sums can NOT be made from the following matrices ?

• A+A

• A+C

• B+D

• C+C

Solve by substitution:
y = 2x -11
-3y = -6x -15

• (-1.5,-4)
• (1.5,4)
• No solution

• Infinitely many solutions

What is the Solution to this system?

• (2,-2)
• (-2,2)
• All Real Numbers
• No Solution