4/12 Warm-Up Alg 1

What are the green points called?

• axis of symmetry
• vertex
• y-intercept

• x-intercepts

How many solutions does the parabola have?

• none

• one

• two

What are the x- intercepts?

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

From the equation y = 3x + 18,  what is the value of the x-intercept?

Find the y-intercept of the equation 
f(x)=-x²+4x+5

• (0,-5)
• (-1,0)
• (0,5)
• (4,0)