Intro to quad Alg I

What is the vertex?

• 1

• 5

• up

• (1,1)

3x² - 2x + 8

• a = 8

• a = 3

• a = -2

• a = 2

3x² - 2x + 8

• opens upward

• opens downward

• horizontal

• vertical

How many solutions?

• 0

• 1

• 3

• infinite

Would a be positive or negative?

• positive

• negative

• :-)

• :-(

How many roots (solutions)?

• infinite

• 1

• 2

• 3

What is the vertex of the graph?

• (2,4)

• (-2,-4)

• (4,2)

• (-4,-2)

What is the green dashed line called?

• roots or x-intercepts

• parabola

• axis of symmetry

• y intercept

Tags

CCSS.HSF-IF.C.7A

What are the coordinates of the y-intercept?

• (-3, 0)

• (0, -3)

• (2, 1)

• y=-3

What is the green dot on the parabola called?

• vertex, maximum

• vertex, minimum

• roots

• zeros