Systems of Equations Review

Solve this system of equations:

y = 4x - 2

y = -x + 3

• (-2,-1)

• (-1,-2)

• (1,2)

• (2,1)

Solve the system of equations using substitution:
y = 2x + 5
2x + 2y = 4

• (1, 7)
• (7, 1)
• (2, 9)
• (-1, 3)

Solve the system by substitution. 
-5x - 4y = -9
y = 6

• (3, 6)
• (6, -3)
• (-3, 6)
• (6.8, 3)

What is the solution?
(Hint:  Both lines are graphed over each other)

• One Solution
• No solution
• Infinitely Many Solutions

How many Solutions?

• One Solution
• No solution
• Infinitely Many Solutions
• (0, -1)

How many solutions will this system have?

• One
• Two
• No Solution
• Infinitely Many Solutions

These two lines intersect at _____.

• (4, -2)
• (4, 2)
• (-2, 4) 
• No solution

^{What is the solution?} 

• 1
• -2
• (1, 2)
• (1, -1)

What type of slope?

• negative
• steep
• undefined
• zero slope

Solve the following systems of equations using substitution:

x = 6

y = 2x - 3

• (6, 6)

• (6, 9)

• (9, 6)

• (9, 9)