Unit 2 PC Review

Find the zeros of this quadratic.

• b=4/5, b=3
• b=4, b=-3
• b=1/5, b=3
• b=4/5, b=-3

Which of the following equations matches standard form of a quadratic?

• ax + by = c
• y = a(x - h)² + k
• y = ax² + bx + c
• y = mx + b

What is another word for zeros?

• y-intercepts
• roots
• vertex
• axis of symmetry

What are the x-intercept/s of the function? 

• {x|x = 3}
• {x|x =-3,3}
• (3, 0)
• (-3, 0)&(3, 0)

Solve by factoring:3x² + 5x + 2 = 0  

• x = -2/3 and x = -1
• x = -3/2 and x = -1
• x = 2/3 and x = 1
• x = 2/3 and x = -1

Solve by completing the square:
x² + 6x = 55

• x = -14, 2
• x = 14, -2
• x = -5, 11
• x = 5, -11

What are the roots of the function
f(x)= (x - 2)(x + 3)?

• x = - 2 or x = 3
• x = 2 or x = -3
• The are no real roots
• x = 2 or x = 3

• A
• B
• C
• D

• F
• G
• H
• J

What is the equation for the axis of symmetry?

• y=3
• x=3
• x=5
• x=1