Quadratics so far

What can we find easily in factored form?

• y-intercept
• vertex
• zeros/x-intercepts

Find the y-intercept of the equation
f(x) = x²+2x-24

• (0, 2)

• (-24, 0)

• (4, 0)

• (0, -24)

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

• (0, -5)

• (-1, 0)

• (0, 5)

• (4, 0)

Find the y-intercept of the quadratic function

• A

• B

• C

• D

What is the green dot on the parabola called?

• maximum and vertex

• minumum
• roots
• zeros

What is the vertex?

• (-2, 0)

• (0, 0)

• (0, -4)

• (2, 0)

What are the green points called?

• axis of symmetry
• vertex
• y-intercept

• x-intercepts

Graph the quadratic function

• A

• B

• C

• D

What is another name for the x-intercepts of a quadratic?

• y-intercepts
• zeros
• x-axis
• none of these

What are the zeros of this function?

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