Unit 5 Test Review

What type of solutions does this quadratic function have? x² + 4 = 0

• Rational

• Complex

• Irrational

• Infinate

What type of solutions does this quadratic function have? x² + 2x + 1 = 0

• Rational

• Complex

• Irrational

• Infinate

What type of solutions does this quadratic function have? x² + 6x + 3 = 0

• Rational

• Complex

• Irrational

• Infinate

Simplify: √90

• 3√10

• 9√10

• 45

• 2√45

Solve by Factoring. x^2 + 9x + 20 = 0

• x = {-5, -4}

• x = {5, 4}

• x = {5, -4}

• No Real Solution

Find the y - intercept. x^2 + 9x + 20 = 0

• (20,0)

• (0,-20)

• (0,9)

• (0,20)

Standard Form = ​ (a)   Factored Form = ​ (b)   Vertex Form = ​ (c)  

A complex number has a real and an ________ part.

Match the following

• Up 4

• (x+4)^2

• Down 4

• (x-4)^2

• Vertical Stretch

• x^2+4

• Right 4

• x^2-4

• Left 4

• 4x^2

​ (a)   ^2 - 4​ (b)   ​ (c)  

• b
• a
• c