Factor & Solve Quadratics

• you're not factorable

• dont tell me if I can be factored or not, geez

What are other names for the solutions to quadratic equations?

Select ALL that apply.

• x-intercepts

• y-intercepts

• roots

• zeros

HOW MANY zeros does this parabola have? 

• 4

• 2
• 0
• 1

What is the vertex of this quadratic equation?  
y = 2(x - 2)²  +  5

• (-2,5)
• (2,5)
• (5,-2)
• (-5,-2)

Where is the axis of symmetry for this parabola?

• x = −1
• x = 0
• y = 3
• x = −3

What is the y-intercept of this parabola?

• (−1, 3)
• (−3, 11)
• (−2, 5)
• (0, 5)

How many solutions does this function have?

• two

• one

• all real numbers

• no real solutions

Solve by Factoring Completely:  3x² + 18x +15 = 0 Hint: Factor GCF first.

• x=5 x=-1

• x=3 x = 1

• x= -5 x= - 1

• x= -5 x = 1

Factor
3v² - 4v - 7

• (3v-7)(v+1)
• 3(v-7)(v-1)
• (3v+1)(v-9)
• (3v+1)(v-10)