Quadratics and Radicals

What is/are the root(s)? x² + 8 = 33

• 25

• 5

• -25

• -5

Tags

CCSS.8.EE.A.2

What is/are the root(s)? 3x² + 2 = 14

• 2 & -2

• 3 & -3

• 4 & -4

• 2.3 & -2.3

Tags

CCSS.8.EE.A.2

What is/are the root(s)? 3x^{2 _} 15 = 0

• no solution

• -5

• 2.2

• 5

Tags

CCSS.8.EE.A.2

• A
• B
• C
• D

• A
• B
• C
• D

• xy√y
• x²y²√y
• xy√xy
• 2x2y√y

• y²z¹⁰√xy
• 20yz√xy
• xy²z¹⁰√y
• yz⁶√xy²z²

• A
• B
• C
• D

What is the significance of the ordered pair (0, -2) to the graph?

• It is the vertex

• It is an x-intercept

• It is the y-intercept

• It is the axis of symmetry

What is the vertex of the quadratic function: y=.5(x-3)²+8?

• (3,8)

• (-3,-8)

• (-3,8)

• (3,-8)