Quadratic Functions Practice Part I

Factor the Trinomial:
x² - 8x + 15

• (x + 5) ( x + 3)
• (x - 5) (x - 3)
• (x + 15) (x - 1)
• (x - 7) (x - 8)

Factor
3v² - 4v - 7

• (3v-7)(v+1)
• 3(v-7)(v-1)
• (3v+1)(v-9)
• (3v+1)(v-10)

Name the y-intercept.

• (-4,4)
• (0,4)
• (-2,0)
• (0,0)

Tags

CCSS.HSF-IF.C.7A

What are the x-intercepts of the parabola?

y = -3(x + 5)(x - 9)

• (-5, 0) and (9, 0)

• (5,0) and (-9, 0)

• (5, 0) and (9, 0)

• (-3, 0) and (5, 0)and (-9, 0)

Tags

CCSS.HSF-IF.C.7A

What's the vertex of the parabola?

• (-2,4)
• (-1,1)
• (0,0)
• (2,4)

What are the roots of this function?

• (-3, 0) & (1, 0)

• (0, -3) & (0, 1)

• (-1, -4) & (0, -3)

• (0, -1) & (-1, -4)

Tags

CCSS.HSF-IF.C.7A

The axis of symmetry line passes through which point?

• y-intercept
• any random point
• vertex
• symmetrical point for the vertex

What is the axis of symmetry of the parabola?

• (2, -8)

• x = 2

• y = 2

• z = 2

Tags

CCSS.HSF-IF.C.7A

What is the vertex of this parabola?

• (3, -1)

• (1, 3)

• (-1, -3)

• 5

The parabola graphed by f(x) = 2x² + 3x + 4 opens _________.

• upward

• downward

• left

• right

Tags

CCSS.HSF-IF.C.7A