Solving Quadratics

What  are the solutions of this graph?

• -2 and 3
• -1/2 and -6
• -2 and -6
• 3 and -6

Tags

CCSS.HSA.APR.B.3

CCSS.HSA.REI.D.10

CCSS.HSA.REI.D.11

Find the zeros.

• 0 and 4
• 0 and -4
• 0
• -4

Tags

CCSS.HSA.APR.B.2

CCSS.HSA.APR.B.3

CCSS.HSA.REI.B.4

What is the vertex?

• (0, - 1)
• (0, 0.5)
• (-1, 0)
• (0.5, 0)

Find the vertex.
y = 2x² - 8x + 9

• (1,2)
• (2, 33)
• (2,1)
• (33, -2)

Tags

CCSS.HSA.REI.B.4

CCSS.HSF.IF.B.4

CCSS.HSF.IF.C.7

What is another word for zeros?

• y-intercepts
• roots
• vertex
• axis of symmetry

Tags

CCSS.HSA.APR.B.2

CCSS.HSA.APR.B.3

Solve
x² + 2x - 24 = 0

• x = -6, x = 4
• x = 6, x = -4
• x = 12, x = -2
• x = 8, x = -3

Solve
x² + 9x + 20 = 0

• x = -2, x = -10
• x = -3, x = -4
• x = -4, x = -5
• x = -4, x = -6

y² = 16

• -4
• 4
• ±4
• ±8

x² = 121

• -6, 6
• -60.5, 60.5
• -11, 11
• -12, 12

-2x² = -98

• -7
• 7
• ±7
• ±49

Tags

CCSS.HSA.REI.B.4