8.1 - 8.2 Quadratics

Does this parabola have a maximum or minimum?

• Maximum
• Minimum

Tags

CCSS.HSF-IF.C.7A

The equation y = x² + 3x - 18 is graphed. Based on this graph, what are the roots of the equation x² + 3x - 18 = 0?

• -3 and 6

• 0 and -18

• 3 and -6

• 3 and -18

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

What are the green dots called?

• axis of symmetry
• vertex
• parabola
• roots or x-intercepts

Tags

CCSS.HSF-IF.C.7A

What is the vertex?

• (2, 4)
• (3, -1)
• (0, 8)
• (4, 2)

Tags

CCSS.HSF-IF.C.7A

Which quadratic function has a vertex below the origin and opens upward?

• y= -x² + 3
• y= -x² - 1
• y= x² + 5
• y= x² - 2

Tags

CCSS.HSF-IF.C.7A

Does
y = -4x²
have a maximum or minimum value?

• maximum
• minimum

Tags

CCSS.HSF-IF.C.7A

What is the green dashed line called?

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

Tags

CCSS.HSF-IF.C.7A

What type of function is this?

• Linear
• Exponential
• Quadratic
• Cubic

The graph of a quadratic function is shown.
What statement about this graph is not true?

• The graph has a y-intercept at (0, 8)
• The graph has a maximum point at (-1, 9)
• The graph has an x-intercept at (2, 0)
• The graph has the y-axis as a line of symmetry

Tags

CCSS.HSF-IF.C.7A