Algebra 2 Final Part 2

Solve by using substitution method.

• (2, 7)
• (0, 1)
• (2/5, 9/5)
• (2, 5)

Solve by using elimination method.

• (3, 1)
• ( 5, -5)
• (2, 5)
• (15, 1)

What are the two linear inequalities graphed here?

• y ≤ - x + 4
   y < x - 2
• y ≤ - x + 4
   y > x - 2 
• y ≤ - 2x + 4
   y > 2x - 2
• y ≤ - x + 2
   y > x - 4

What is the vertex for
f(x)=4(x-2)² + 3

• (-2, 3)
• (2,-3)
• (4,3)
• (2,3)

Does the parabola
f(x)=4(x-2)² + 3
open up or down?

• up
• down

What is the axis of symmetry for 
f(x)=4(x-2)² + 3

• 4
• 2
• x = -2
• x = 2

What is the y-intercept?
f(x) = -2x² + 4x - 6

• (0, 6)
• (0, -6)
• (6, 0)
• (-6, 0)

What is the vertex?
f(x) = -x² - 4x + 12.

• (-2, 16)
• (2, 0)
• (2, 4)
• (-2, 4)

What is the y-intercept?  $x^2-3x+9$  

• (9, 0)

• (0, 9)

• (1, 0)

• (-3, 0)

• (0, -3)

What is the vertex of y=x²+4x+3?

• (2,1)
• (-2,1)
• (0,0)
• (-2,-1)