Solving Quadratic Equations

What are the zeros?

• x= 0 and x= -4
• x= 0 and x= 4
• y= 0
• x= 2

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

• (3,0)
• (-3,0)
• (9,0) & (-9,0)
• (-3, 0) & (3, 0)

What are the solutions of this graph?

• x=-2 and x=3
• x=-1/2 and x=-6
• x=-2 and x=-6
• x=3 and x=-6

9k² = 225

• 4
• 4, -4
• 25, -25
• -5, 5

• m=±81
• m=±9
• m=±3
• No real solution

Find the expression equivalent to (x-1)(x-9)  HINT : Use the generic rectangle to multiply.

• x²+9
• x²-10x+9
• x²-10x-9
• x²+10x+9

How many solutions (x-intercepts) does the quadratic have?

• Two Solutions
• One Solution
• 0 Solutions
• I don't know

Solve.
n² - 5 = -4

• n = ±√9
• n = ±3
• n = ±1
• No real solution

• -4, 2
• -2, 4
• -16
• -4

• -2, 4
• -8
• ±8
• No real solution