Quadratics Review

Which of these represents slope-intercept form?

• y - y₁ = m(x-x₁)
• Ax + By = C
• y = mx + b

What are the x- and y -intercepts on this graph?

• (0,5), (0,5)
• (5,0), (5,0)
• (5,0), (0,5)
• (0,0), (5,0)

What is the y-intercept of the equation
y = x²+8

• (0,3)
• (3,0)
• (0,8)
• Doesn't have one

What is the vertex of the function 
y = x² - 2x

• (1, -2)
• (1, -1)
• (-2, 1)
• (0, 0)

Is this function a stretch/shrink/neither?
y  = 0.5x²+8x+3

• Stretch
• Shrink
• Neither
• Impossible to tell

Is this function a stretch/shrink/neither?
y  = -0.5x²+8x+3

• Stretch
• Shrink
• Neither
• Impossible to tell

Is this function a stretch/shrink/neither?
y  = x²+8x+3

• Stretch
• Shrink
• Neither
• Impossible to tell

What are the x-intercepts?

• 0 and -4
• 0 and 4
• 0
• 2

What is a vertex?

• where the graph crosses the x-axis
• the y-intercept
• the maximum or minimum of the graph
• where the slope is vertical

Does this graph have a maximum or minimum value?

• maximum
• minimum
• neither
• both