Quadratic Review

What is the green dashed line called?

• roots or x-intercepts
• parabola
• axis of symmetry
• characteristics line of dashes

A parabola has a vertex at (-3,2).
Where is the axis of symmetry?

• y = -2
• x = 3
• x = -3
• y = 2

Tags

CCSS.8.G.A.3

What is the equation of this graph?

• f(x) = (x -5)² + 1
• f(x) = (x - 1)² - 5
• f(x) = (x + 1)² - 5
• f(x) = (x + 5)² +1

Tags

CCSS.HSF-IF.C.7A

What causes the graph of y = x² to open downward?

• multiply the x² by a fraction
• multiply the x² by a decimal
• multiply the x² by a negative number
• multiply the x² by a number greater than 1

Tags

CCSS.HSF-IF.C.7A

Complete the Square
x² + 6x + 20

• (x + 3x)² + 11
• (x + 3)² + 11
• (x + 6)² + 11
• (x + 3)² + 29

Write the intercept form in standard form:
y = 3(x+2)(x-1)

• 3x²+3x-6
• x²+x-2

What is the y-intercept for the graph of the function:  y = x² - 3x - 10 

• 3
• -3
• -10
• 10

Tags

CCSS.HSF-IF.C.7A

What are the x-interepts for the graph of the function:  y = x² - 3x - 10 

• -5, 2
• -5, -2
• 5, -2
• 5, 2

Tags

CCSS.HSF-IF.C.7A

What are the x- intercepts?

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

Tags

CCSS.HSF-IF.C.7A

The point in which a graph hits the x-axis is know as the _____

• Solution
• x-intercept
• Root
• All answers are correct